7 Air compressors, namely, oil-free reciprocating compressors; oil-free reciprocating compressor systems consisting of an air compressor/blower, air receiver tank, controls, nozzles, ducting and a power source, and parts of these compressors; pumps, namely, vapor recovery pumps, oil-free reciprocating vacuum pumps, oil-lubricated rotary vane vacuum pumps, diesel refueling pumps, water pumps and parts of these pumps