Quote:
Originally Posted by Chen
how does a touchless wash exactly work?
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In my experience they work on a gantry system. Picture an overhead, rolling crane. You drive into the booth, park, and the automated heads move around your car, working front to back. It consists only of spray nozzles, no brushes or other physical agitators touch your car.
The one I'm familiar with is back in my college town, local ones may be different.