[ Air conditioning systems, namely, air conditioners; air refrigeration systems, namely, refrigerators; ] dehumidification and water purification systems, namely, water filters; filters for irrigation water in disk form

[ Hydraulic motors for transmission of power, hydraulic turbines for transmission of power; slip drives and thrust drives for machines for transmission of power; ] valves being parts of power transmission machines [ ; clutches for machines for transmission of power; centrifuges for machines for transmission of power ]