These small, typically metallic, discs symbolize a pre-paid type of forex particularly for automated car cleansing companies. Sometimes bought in bulk or as a part of a service bundle, they’re inserted right into a machine to activate the wash cycle. An instance could be a person buying a set of those previous to visiting a self-service automobile wash bay, utilizing one disc per wash choice.
The significance of this fee technique lies in its effectivity and operational benefits for automobile wash companies. They simplify transactions, scale back reliance on money dealing with, and might encourage buyer loyalty via bulk buy reductions. Traditionally, their use stems from a necessity for a standardized fee system suitable with automated tools, predating widespread digital fee options.