Electrically-powered steam cleaning device comprising a hose and nozzle and a vapor-producing chamber that is attached to a water source; High pressure washers; Machine parts, namely, nozzles which are parts of power-operated sprayers; Machines for cleaning surfaces using high pressure water; Multi-purpose high pressure washers; Nozzles for particle blast cleaning machines and structural parts thereof; Particle blast cleaning machines and structural parts thereof; Parts for compressed-air too...