'Washing' can also refer to the washing of outfits or other cloth goods, like bedsheets, whether by hand or having a washing machine. It can also refer to washing one's vehicle, by lathering the exterior with car cleaning soap, then rinsing it off that has a hose, or washing cookware. https://ideatribune.com/splash-into-fun-with-water-slide-rentals-in-katy-tx/