water purifiers; water filtering units for domestic use; water filtering units for commercial use; water filtering units for industrial use; water treatment equipment, namely, ion exchange units

power operated blowers; air compressors; pumps as parts of machines, engines and motors; air pumps; pneumatic pumps; compressed air pumps; reciprocating pumps; centrifugal pumps; vacuum pumps; diffusion pumps; rotary pumps; motors other than for land vehicles; hydraulic turbines