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Introduction
This article takes an in depth look at car wash equipment.
You will learn more about topics such as:
What is Car Wash Equipment?
Types of Car Wash Equipment
Car Washing Methods
Types of Car Wash Systems
And Much More...
Chapter One – What is Car Wash Equipment?
Car wash equipment is a series of pieces that work together individually and in unison to achieve a single purpose, with each part performing a simple task to add to the cleaning process. The various types of equipment are designed to meet the cleaning needs of any vehicle regardless of its size. All car wash methods depend on the use of water, water reclaim systems, chemicals, various types of sprayers, brushes, and cleaning cloths.
The main purpose of car wash equipment is to provide a convenient and efficient method for cleaning cars as they pass through various car wash equipment elements. Every car wash owner has to plan the design of their business by selecting the correct pieces of car wash equipment to match the needs of their customers and region. Car wash equipment manufacturers offer guidance as to which pieces match the customer’s budget and design requirements.
Chapter Two – Types of Car Wash Equipment
The types of equipment used in car washes varies depending on the manufacturer, the car wash system, and the washing method. There are an endless number of configurations available for the design of car washes, which change with each of the various components. The wide selection of car wash equipment makes it possible to create each individual car wash component down to the smallest detail.
Economical Use of Water
One of the benefits of car wash equipment is its economical use of water. It may be assumed that washing a car at home is less expensive than using a car wash. Although this may be true for some users, in general, the average driveway car wash uses up to 150 gallons of water, with every wash while a car wash uses a little less than 50 gallons. Additionally, with various economizing features, car washes can severely decrease that usage saving water and other resources.
Water is the key functional component of every car wash and determines the quality and effectiveness of the process. Car wash owners and manufacturers are continually developing and creating innovative ways to reuse and reclaim the water used. In most cases, water for car washes passes through a filtration process to ensure a spot free car washing experience.
With the need to protect the environment and make better use of our resources, car wash owners and manufacturers have used technological advances to radically improve the water quality used in car washing and the method for reclaiming it. In the majority of cases, car wash systems use a closed loop reclaim system such that all water stays on the property and does not gravitate into the general water supply.
Water Treatment Systems
At one time, water treatment systems were an optional part of car wash equipment. In recent years, they have become a necessity and requirement due to the emphasis on environmentally friendly processes and equipment. In modern car washes, water treatment systems are an effective way of enhancing profits. Aside from saving the environment, an efficient water treatment system can lower the water bill for a car wash.
Reverse Osmosis (RO) System
A RO system increases pressure in the feed line and forces water through semipermeable membranes that remove 99% of the dissolved solids. The benefits of a RO system are a spot free rinse and spotless glass and chrome.
Water Reclaim System
Water for a water reclaim system pulls water from the settling tank, processes it, and sends the cleaned water back for reuse. Closed loop systems reuse the same water multiple times and do not allow any water to leave the car wash.
Water Restoration System
Water restoration systems are cyclonic filtration systems that remove all particles down to the five micron size. This is done by putting the water through a cyclone filter that rotates at a very high speed, which forces solids to the sides of the cyclone from which they fall into a catch container.
Water Storage Tanks
Water storage tanks are necessary for car wash systems since they collect runoff water and store it underground. In the tanks, heavy sediment settles to the bottom of the tank while lighter materials, such as oil, rise to the top of the tank. The collected water is regularly pumped out and removed by a licensed wastewater disposal service.
Since water is one of the primary assets of car wash systems, it has to be managed properly. Car wash owners very carefully analyze, examine, and assess the efficiency of their wastewater methods to ensure proper procedures and practices. This is especially true in areas where water is scarce. Included in water management is regular maintenance of the piping system to avoid breakdowns and interruption of services.
A major factor in water management are local and state water preservation regulations that are different in every area but govern water usage. All car wash owners are well aware of local regulations and study them closely to ensure adherence and compliance. Again, this relates to the maintenance and upkeep of piping systems.
Conveyor Systems
Conveyor car wash systems are the most expensive types of car washes to build and operate. They have several pieces and parts that have to function together in precision to clean a car thoroughly and completely. Car wash conveyor systems are commonly referred to as tunnel systems and have a belt or chain conveyor that pulls or pushes a vehicle through the washing tunnel.
Car wash conveyors or tunnels are a technologically advanced way to process and wash vehicles at rapid speed and to high standards. Every car wash system manufacturer has a different approach to conveying systems and uses ones that best fit their products.
Flat Belt Conveyor System
A flat belt conveying system has a platform that moves vehicles through the car wash tunnel. The different types vary based on the pace of the belt, its direction, curvature, and size. Lightweight belting systems have a working tension of 160 lbs. per inch of width, while heavyweight models go over that weight to handle larger vehicles.
Flat belt conveyors are made of antistatic flame retardant polypropylene that has two inch pusher cleats and sprockets to carry multiple vehicles at one time. The cleaning system of a flat belt conveyor serves as a lubricant and washes out foreign matter from the belt.
When a car drives onto the belt, all four wheels are moved. A flat belt system does not require guide rails that cause bent wheels, blown tires, or front end damage. The belt is 30 inches wide on both sides with an underside clearance of half an inch.
Chain Conveying Systems
In a chain conveying system, rollers and chains work together to move vehicles through the tunnel. Chains have pins and cotters to keep the links together, which give the chain the ability to be shortened or lengthened. This is necessary since chains need adjustments over time because they stretch after running for long periods of time.
Connected to the chain are rollers that move the car along the tunnel, which pull the vehicle by the front wheels or push it by the back wheels. To properly position the car to enter the conveyor, a correlator is located at the entrance to the tunnel. It is an in ground mechanism that aligns the wheels with the conveying system and allows the vehicle to slide laterally.
One of the keys to a chain driven conveying system is the guide rails, which need to be covered in plastic for the protection of the undercarriage of vehicles. Motors for chain driven conveying systems can be hydraulic or electric, depending on the conveyor’s design.
High Pressure Washer
The high pressure washer system consists of rotating water jets that spray water and have nozzles arranged in a pinwheel fashion with each of its nozzles at a different angle. The force of pressured water causes the motion of a water jet system from the system, which causes its rapid spinning that forces water to strike a vehicle in a circular pattern like a spinning watering system for a lawn.
The purpose of the high pressure washer design is to serve as a scrubber and powerful cleaner with their force being as high as 1000 psi. To create the high pressure, car washes have pressure tanks.
Brushes or Scrubbers
Brushes are one of the essential components of a car wash and come in different varieties depending on the car wash system. In a tunnel car wash system, top brushes come down from the ceiling on an arm and roll over the top of the car while wraparound brushes spin and clean the front, sides, and rear of the car.
Wheel and tire brushes sit low and clean the walls of tires. There are several different styles of wheel and tire brushes made from a variety of fabrics, bristle types, and materials. Much of the success of a car wash depends on the types of brushes and how effective they are.
Cloth brushes are made of a synthetic composite with reinforcing bristles. They are resilient brushes capable of removing persistent and immovable dirt and grime. Cloth brushes are ideally shaped to fit the design of a tunnel system and come in different colors.
Wax Arch
The wax arch applies a specially created and formulated wax that is designed for use on chrome and glass as well as the surface of a car. It leaves a clear film over the entire surface of the vehicle. The two methods of applying the wax are foam or nozzles.
A foam applicator generates foam wax that is applied by a single or series of tubes with nozzles. It is the most common form of wax application.
The nozzle method uses the same nozzles as those used for rinsing and applying water under pressure. Wax is applied in liquid form and immediately enters the rinse arch.
Rinse Arch
As with other aspects of the process, the rinse arch has a series of nozzles that emit a spray of water to remove residue from the cleaning process. In a tunnel system, there may be several rinse arches located after each cleaning station. Also, rinse arches may work in conjunction with mitter curtains.
Tunnel Controllers
Tunnel controllers manage tunnel tasks such as the timing of wash components and the application of chemicals. They measure vehicles and services and serve as a go between for the equipment and motor center by turning equipment on and off to match customer cleaning orders.
Additional tunnel controller features include software that emits sound waves to map the profile of vehicles, which is useful for unique vehicle profiles and designs. All modern car washes have some form of computer technology in order to run at maximum efficiency and have point of sale systems to track and monitor expenses and profits.
As with all computer systems, there are a wide variety of choices for tunnel control systems available from manufacturers who provide online demonstrations of their software so that customers can make the right choice of software. In support of tunnel control systems, manufacturers have online tech support and guidance as well as in person installation and setup.
Booms in Self Service Car Washes
Booms are a part of self service car washes and are rods that hold hoses from the ceiling or the walls. They come in several varieties with inline and Z style being the most common. Inline booms are straight tubes that release water at great pressure while Z style booms perform the same function but have a bent tube.
There are several methods for installing booms with the ceiling type being the most common. They have a 360° rotation that allows the customer to easily move around the vehicle. Booms control hoses such that they do not have to be pulled, get tangled, and become cumbersome.
Essentially, booms are a method for organizing water dispensing and making the self washing process easier and more efficient. For larger vehicles, such as large trucks, there are wall mounted and ceiling mounted booms with extensions that are capable of reaching every part of a truck.
In addition to hose booms, there are canister or central vacuum systems. The design of vacuum booms makes it easier to reach hoses and accessories, resulting in less bending. The ergonomic style of vacuum booms makes vacuuming more efficient and faster, saving customers time and money.
Car Wash Chemicals
The chemicals used at a car wash determine how clean a car will be in a very few minutes. As with all industries, there is a wide selection of chemicals that car wash owners can choose. The difficulty of the selection process is deciding on chemicals that exactly fit the standards of a particular car wash. Regardless of the many choices, there are certain standard chemicals that can be used by all car washes and include presoak chemicals, tire cleaners, foam, drying agents, clear coats, and body protectants.
Presoak
Presoak is designed for long tunnels since it has to be removed to avoid streaks and is difficult to rinse off. It is applied prior to the cleaning process to remove film, dirt, and grime from a vehicle’s surface. In essence, the presoak prepares the surface of a vehicle for the wax treatment.
The two varieties of presoaks are low pH and high pH. A key difference between the two versions is their composition. High pH presoaks have an alkaline content to remove oily greasy materials. Low pH products have acidic formulas to remove dirt and dust. In many cases, the low pH version is widely used since they help shine the car and neutralize soaps.
Chemicals
Chemicals are the most difficult to isolate since they come in so many varieties. In general, car wash chemicals are formulated for cleaning, rinsing, and washing vehicles and are superior to car wash shampoos used for hand car washing. They remove dirt, mud, dust, stains, and impurities as well as create a shine on a vehicle’s surface.
Car wash chemicals come in liquid, foam based, and gel forms and are divided into presoaks, drying agents, protectants, foam chemicals, wheel cleaners, triple foams, and shampoos. The composition of car wash chemicals is designed to seal surface cracks as well as clean. In essence, car wash chemicals provide a total body protectant that beads up in the rinse cycle for better drying. The lubricity, frictionless nature of car wash chemicals prevents damage to the vehicle’s surface.
Alkaline Chemicals – Alkaline chemicals are the best cleaners and remove most soils. They have a pH factor that ranges from 7 pH to 11 pH and can be used in one or two step applications. Included in alkaline chemicals are silicates, sodium and potassium hydroxides, carbonates, and phosphates. Each of these elements assists in the cleaning process but must be used in the correct balance to avoid damage to a vehicle.
Acidic Chemicals – Acidic chemicals have a pH of less than seven and include mineral acids and organic acids. The types of mineral acids include sulfuric and phosphoric, which help remove mineral soils but are not effective against oily materials. Since mineral acids contain phosphates, their use is restricted due to some regions having laws against the use of phosphates.
Organic acids are less aggressive and contain citric acid and glycolic acid, which are less corrosive and less effective against mineral soils. There is a wide selection of organic acids making it possible to find the correct one to fit specific cleaning conditions. Regardless of the types of organic acid detergens\ts, they are not effective against oily materials.
Tire Cleaners
Tire cleaning or wheel washing systems are designed to clean tires and undercarriages of vehicles. Putting a vehicle through a tunnel system with a wheel washer ensures that all dirt, grime, and other materials are removed minimizing wear. The key to a tire cleaning system is its ability to withstand the weight and width of a variety of vehicles. In tunnel systems, tire cleaning is near the end of the system prior to entering the drying phase. They consist of various types of brushes, depending on the design of the manufacturer.
Mitter Curtains
Mitter curtains are long strips of material that hang from a frame in a car wash tunnel and are motorized to move slowly back and forth from the hood of a vehicle to the trunk. The motion of the curtains is caused by a motorized shaft that moves the curtains up and down in a circular pattern, which makes the cloth strips rub back and forth across the horizontal surface of a vehicle.
Dryer System
At the end of the wash cycle, as the vehicle prepares to leave the car wash tunnel, is the drying system, which uses high pressure air to remove droplets of water that have accumulated on the vehicle during washing. The purpose of the drying system is to allow the vehicle to leave the tunnel streak free without water spots. These highly technical drying devices are capable of reaching the most minute crevices.
The nozzles of car wash dryers allow the owner to target the specific regions of the vehicle the dryer will hit. In most systems, nozzles are programmable and capable of a 360 degree rotation with air speeds over 155 mph. The key to successful drying is the positioning of the nozzles, which are studied and examined by manufacturer installers.
The horsepower of dryer blowers varies between 15 hp to 70 hp with impellers that are noise free and energy efficient.
Car Wash Doors
There are several factors that determine the choice and use of doors for a car wash. Changing weather conditions are the most obvious reason and is the main one regarding their use. Above and beyond weather, some of the other considerations are insulating the building, security, and the protection of equipment.
Primary reasons to get doors regardless of the climate are:
Noise: Doors for car washes are essential in high-density residential areas. They reduce noise and may be required by local regulations.
Traffic Flow: Doors open and close between cycles making it obvious to customers that they may enter the bay.
Wind Tunnel Effect: Car washes can become wind tunnels and spray chemicals into the atmosphere. This can waste chemicals, cause pollution problems, and lead to poor quality car washes.
Water Runoff: Doors keep wind from pushing water runoff outside the bay and keep it flowing into drains.
Car wash doors are exposed to a wide variety of conditions, aside from the water and chemicals in the bay. The nature of the abuse necessitates the use of specially designed doors capable of withstanding the stressful conditions.
Polycarbonate Doors - Polycarbonate doors have aluminum rails and five wall polycarbonate sections capable of withstanding 200 times the impact of glass. They have the highest level of security and heat retention with corrosion resistant hardware.
Extruded Polystyrene Doors - Extruded polystyrene doors are a high quality type of door that sheds moisture and is insulated. They are ideal for wash bays, and high moisture and corrosive conditions. The solid insulated construction of extruded polystyrene doors assists in retaining heat but are able to open and close easily.
Vinyl Roll Up Doors - Vinyl roll up doors operate faster than overhead doors and breakaway on impact. They do not have the same type of security as polycarbonate or extruded polystyrene doors due to their construction. Vinyl roll up doors provide insulation against cold weather and prevent the freezing of hoses and equipment.
Vinyl Curtain Doors - Vinyl curtain doors or vinyl strip curtains are made of clear resilient and transparent PVC strips that are used in doorways to control the loss of heat or cold air in conditions where there is constant traffic. They are mounted to the ceiling or a structural beam using galvanized steel as a roller track system.
The benefits of vinyl curtains include being easy to clean, mildew resistant with antistatic properties, being fire safe, and antimicrobial. Vinyl curtain doors have sewn seams at the top, bottom, and each side and are available in 8 ft, 10 ft, and 12 ft lengths.
Summary of Car Wash Equipment Pieces
The pieces of car wash equipment listed above are a generic and general list of the equipment available from car wash designers and manufacturers who have their own proprietary types of equipment and systems. The creation of a car wash system requires the choice of pieces and elements that fit the region where it is built as well as the water supply. All manufacturers provide concise and all inclusive information regarding car wash system design and technical and design assistance.
Leading Manufacturers and Suppliers
Chapter Three – Types of Car Washing Services
There are several different types of car wash methods and equipment. What used to be a manual process has evolved and grown into a complex and sophisticated operation that is approached using several different unique and individual methods. This array of choices allows consumers to decide how they wish to care for their vehicles.
Between 1995 and 2014, the use of car washes has surged from 40% to over 70%. Concern for the care and condition of modern vehicles has radically raised the way that drivers treat their cars, which has caused the rise in the use of car washes. Also, car wash technologies have improved to be able to encompass multiple vehicles being washed with each one receiving treatment to specifically meet its needs.
Hand Car Wash
For many years, when you went to a car wash, there was a group of workers at a series of stations that did each step of the car washing process. As technology developed and mechanical methods were developed, hand car washing became less available and was replaced by car wash tunnel systems.
Regardless of the rise of technology, hand car washing is still available in certain areas and has the same attention to detail as it did so many years ago. With hand car washing, there are no machines, hard brushes, or electrical sprayers. The process includes manually powered sponges, cleaning solutions, and water.
The benefit of hand car washes is the ability of human hands to reach places on a car that sprayers and electrical brushes can’t. The professional attention to detail and meticulous precision of the process examines every aspect of a vehicle down to the most minute crack, crevice, or ornament. It is an expensive process but is the best for ensuring that every part of a vehicle is cleaned and polished.
Coin Operated Car Wash
Coin operated car washes offer the opportunity to wash a vehicle using professional equipment and tools. In many ways, it is similar to renting a full sized car wash in miniature form. There are different versions of coin operated car washes that include ones where you put coins in a timer that releases a sprayer and soap. The professional tools include a hose attached to a boom that allows you to walk around your car and spray it with water or soap. After washing the car in an enclosure, you drive it out to a second spot to vacuum and dry it.
In another version of coin operated car washes, you pay in advance and drive into a single car garage that has all the sprayers, cleaners, dryers, and chemicals of a tunnel system in a very short building. Unlike a tunnel system, the car wash equipment moves around the car while it is standing still. Arches with cleaners, sprays, and other equipment move from the hood to the trunk and back. The driver sits in the car much like as is found at a tunnel car wash.
Auto Car Wash
Auto car washes are a drive through type of car wash very similar to the coin operated garage car wash. The owner of a vehicle drives through the rinsing stage, washing stage, and drying stage. In most cases, this type of car wash is associated with a gas station, which allows you to pay for the wash when you have filled your car.
Auto car washes make it impossible to customize the wash parameters. Every wash takes the same amount of time and includes the same elements for every car. Since auto car washes work independently and are programmed to operate automatically, they do not require any staff or personnel, saving the owner time and money.
Mobile Car Wash
Mobile car washes bring the car wash to the vehicle and have the full array of services that can be found at an automated tunnel car wash. They are a hand washing process with all of the cleaning equipment located in a truck or van. All that is necessary to receive a mobile car wash is to make an appointment. When the professional arrives, they clean the exterior and interior of the car and make adjustments at their customers’ requests.
Located in the van or truck of a mobile car wash are the same sprayers and applicators that can be found at a coin operated or drive through a car wash. Pressurized water or hand tools are used to complete the cleaning process. As with hand washing, every part of the car is thoroughly cleaned, inspected, and polished to the standards of the service and customer.
Automated Car Wash
In an automated car wash, the driver drives the car into the washing area and can remain in the car during the process or exit the car and wait for the process to finish. A digital control system activates the cleaning process. Initially, the car is rinsed to remove loose dirt and grime. During the washing process detergent is added and the surface of the car is rubbed by cloth strips or mitter.
Two types of automated car washes are touchless and soft touch.
With a touchless car washing system nothing touches the surface of the car including brushes or mitters. All of the cleaning processes are completed using high pressure jet sprays that apply the water and detergent with jet powered vacuums to remove the dirty water. As with other forms of car washing, the system uses cleaning agents and liquid wax and blows dry the vehicle at the end of the process.
The idea behind touchless car washing is to avoid damage to the surface of a car from harmful brushes and cloths. It has become a very popular car washing method for people who are concerned about damaging the finish on their car.
Soft Touch Car Wash
A soft touch car wash uses soft cloths, soft strips, and foam to wash a car. The soft touch method removes any concern about brushes or rough fabrics touching the surface of a car and easily cleans bug splatter, bird droppings, pollen, and other inorganic and organic materials.
In some ways, a soft touch system is similar to the hand wash method since it iscapable of reaching the most minute and minuscule parts of an automobile. The soft touch system is quick, efficient, and economical.
Self Service Car Wash
The self service car washing method has declined in recent years but is still considered a reliable and easily accessible car washing method. This form of car wash can be coin operated or pay as you go depending on its design. The service facility provides the equipment, water, chemicals, vacuums, and other equipment for completing the cleaning process. Customers are given the opportunity to complete the cleaning process on their own using professional tools.
In the traditional self service model, there are bays available that are open on both ends to enter and exit. Modern self service systems have booms to guide hoses for water, vacuums, and chemicals. The booms make it possible to easily walk around the car and keep hoses from tangling or knotting.
Used Car Wash Equipment
When a car wash owner decides to replace their existing equipment, they have the opportunity to sell it to a refurbishing company. All of the components of a car wash can be sold, rebuilt, and resold including water jets, brushes, dryers, mitters, conveyor belts, and other pieces of a car wash system. Repurposed and rebuilt car wash equipment can be an alternative for someone developing their car wash business.
The range of equipment available from used car wash equipment resellers can include individual components or total conveyor and tunnel systems. In some cases, car wash manufacturers will take back their equipment from owners who are upgrading and put them through the production process to be sold at a discounted price.
Second hand car wash equipment provides a cost effective way to replace present equipment that is failing or to purchase parts at a discount. In all cases, the refurbished parts have the same capabilities as new ones. Second hand car wash equipment includes mobile vans and trucks that have had their components rebuilt and remanufactured.
Chapter Four – Car Wash Tunnel Systems
Tunnel systems are designed to clean hundreds of cars in one pass and come in sizes that range from 40 feet to over 300 feet. They can be coin operated or manually operated and take very little time to pass a car from the entrance to the drying process. The stations or steps of a car wash tunnel vary depending on the cleaning processes offered and the order in which the components are placed.
The main feature of a tunnel car wash system is the conveyor, which can be chain or belt driven. The conveying system is the mechanism that moves vehicles along and ensures precision cleaning as it controls the movement of a vehicle between the various stations.
Mini Tunnel System
A minitunnel system is designed to take up the same space as a cleaning bay but can wash 20 to over 50 vehicles per hour. Although mini tunnel systems are smaller than larger tunnel systems, they have a conveyor that positions cars for the various stations. Mini tunnel systems have an average length of 26 feet to under 40 feet. They can include all of the features of a more sophisticated tunnel system but over a shorter length.
Express Tunnel Systems
The main thrusts of an express tunnel system are speed, convenience, and price. They are unattended car wash sites with less than one third of the personnel required to run a full service tunnel operation. Express tunnels can be touchless, friction, soft touch, or a combination of the three types. Unlike full service tunnel operations, express tunnel operations do not have vacuum bays or other interior cleaning supplies.
Express tunnels are much longer than mini tunnels and can be from a little over 80 feet to close to 200 feet.
Drive Thru Tunnel Systems
A drive thru tunnel system allows the customer to choose the services they would like for their car. Once they have made their selection, they drive their car onto the tunnel track where brushes or soft cloths clean the exterior of the car. The self drive thru car wash is used by customers who wish to have a quick and efficient cleaning in a few short minutes.
Labor costs for drive thru car washes are minimal since they do not need attendants. The most economical drive thru systems use automated pay systems.
Full Service Tunnel Car Wash System
Full service tunnel car wash systems offer cleaning of the exterior and interior of a vehicle. Customers have the luxury of choosing the services they require. The vehicle is run through the tunnel by the employees who complete the various cleaning functions during the process.
The many options offered to customers in a full tunnel require that the tunnel be long and be manned by multiple employees who handle the loading and unloading of vehicles as well as the many cleaning options. Full service tunnel operations have elaborate facilities with waiting rooms, lounges, vending machines, and other conveniences. In essence, full service tunnel car washes are the luxury models of car washing operations.
Flex Car Wash System
Flex car washes are the compromise between express tunnel car washes and express tunnel car washes. They have a tunnel design with exterior express washing only but with extra options that are similar to the features of a full tunnel car wash. The purpose of the flex car wash model is to offer customers choices as to what processes they wish for their car.
The biggest factor in the flex car wash tunnel system is the wide selection of choices that are provided to customers. At the entrance to flex car washes are lists of choices that a customer can request.
Conclusion
Car wash equipment is a series of pieces that work together individually and in unison to achieve a single purpose with each part performing a simple task to add to the cleaning process. The various types of equipment are designed to meet the cleaning needs of any vehicle regardless of its size.
There are an endless number of configurations available for the design of car washes, which change with each of the various components.
There are several different types of car wash methods and equipment. What used to be a manual process has evolved and grown into a complex and sophisticated operation that is approached using several different unique and individual methods.
In researching and investigating car wash systems, it is very clear to see that the simple process of cleaning the surface of a vehicle has become a huge business that is studied and examined for its advantages and profitability.
Tunnel systems are designed to clean hundreds of cars in one pass and come in sizes that range from 40 feet to over 300 feet. They can be coin operated or manually operated and take very little time to pass a car from the entrance to the drying process.
Leading Manufacturers and Suppliers
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