For example, the names of the parts of the German Kuaiba washing machine:
Cleaning system: brush tray (floor brush, needle tray), brush tray cover, brush tray motor, suction scraper and suction motor
Water tank system: clean water tank, sewage tank, suction pipe and sewage discharge. Others are buttons, wheels, batteries, chargers, overload protectors, chassis frames, etc.
There are also driving motors, electronic brakes, potentiometers, controllers (similar to electric cars), speakers and so on.