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