7 High-pressure pumps for washing appliances and installations and for mechanical high-pressure water jet apparatus for cleaning, removing and treating surfaces and for cutting, drilling and deburring; water-jet cleaning machines, namely, mechanical high-pressure water jet apparatus for cleaning, removing and treating surfaces and for cutting, drilling and deburring; machine parts in the nature of high-pressure water tools, namely, for pressure washing and for mechanical high-pressure water jet apparatus for cleaning, removing and treating surfaces and for cutting, drilling and deburring, namely, high-pressure lances, high-pressure hand-held water spray guns; parts of machines, namely, water jet nozzles and nozzle supports for use in waterblasting and cleaning operations and for removing and treating surfaces and for cutting, drilling and deburring; parts of machines, namely, high-pressure hoses made of plastic with metallic reinforcing inserts, in particular, with wire meshes; parts of machines, namely, valves for pumps and for mechanical high-pressure water jet apparatus for cleaning, removing and treating surfaces and for cutting, drilling and deburring; parts of machines, namely, injectors for engines and for mechanical high-pressure water jet apparatus for cleaning, removing and treating surfaces and for cutting, drilling and deburring; machines, namely, filter apparatus for mechanical high-pressure water jet apparatus for cleaning, removing and treating surfaces and for cutting, drilling and deburring; pneumatic, hydraulic, electric or manually driven handling machines, positioning devices, feed mechanisms and robots for guiding high-pressure water tools for pressure washing and for mechanical high-pressure water jet apparatus for cleaning, removing and treating surfaces and for cutting, drilling and deburring