| Self-Service Wash |
A wash where the customer performs all the labor. Generally, the customer drives into a bay and washes the car by means of a high pressure hose and a foaming brush. |
| Silencer |
Pan-like dryer attachments filled with acoustical foam that cover the dryer producer inlets to reduce noise levels. |
| Spot-free |
Car wash industry term synonymous with reverse osmosis. |
| Super KleanCloth Curtains |
Specially manufactured cloth that absorbs large quantities of water to aid in washing and scratch prevention. |
| Super KleanCloth Wash Process |
Vehicle cleaning using Super KleanCloth Curtains. |
| Surfactant |
A surface-active substance. |
| Surface Active Agent |
An organic chemical that, when added to a liquid, changes the properties of the liquid on a surface. |
| Surface Conveyor |
A conveyor in which the rollers ride completely on the surface. The advantage of this conveyor rather than the over-under conveyor is that a surface conveyor does not require a conveyor pit. |