7 wheels being parts of machines; electric drive motors for machines; mechanical control installations for machines, motors and engines; Wheeled drive units for item transport robots, industrial robots, cleaning robots and household cleaning and laundry robots with artificial intelligence; Caster wheels for drive units in item transport robots, industrial robots, cleaning robots and household cleaning and laundry robots with artificial intelligence; electric-powered casters for item transport robots; omnidirectional casters for item transport robots; electric-powered casters for industrial robots; omnidirectional casters for industrial robots; electric-powered casters for cleaning robots; omnidirectional casters for cleaning robots; electric-powered casters for household cleaning and laundry robots with artificial intelligence; omnidirectional casters for household cleaning and laundry robots with artificial intelligence; control mechanisms for machines, engines or motors