Electrically-powered steam cleaning device comprising a hose and nozzle and a vapor-producing chamber that is attached to a water source; Vehicle washing installations; Pipe cleaning machines; Car washing and vacuuming equipment, namely, machines for washing the exterior surface of an automobile vehicle and vacuuming the interior of such vehicle, where the equipment is manually-operated by the user; Conveyor accessories, namely, a conveyor belt washing device affixed to the conveyor with spray bar for flushing the conveyor belt with liquid; Pressure washing machines; Cleaning machines for power generation engines; Steam cleaning machine parts, namely, suction nozzles, brushes, hoses; Pigs for cleaning pipes