Motors and pumps for refrigerators and freezers; Circulating pumps; Centrifugal pumps; Rotary pumps; Screw pumps; Multi-phase screw pumps; Pumps for machines; Pumps as parts of machines, motors and engines; Pumps and compressors as parts of machines, motors and engines; Pumps for cooling engines; Water pumps for motors and engines; Refrigerant recovery pumps