A

machine parts, namely, piston rings, rod wipers and rod scrapers, transport belts, molded gears and bumpers, for use on machinery

hand tools, namely, packing hooks, packing cutters, and gasket cutters used for the installation and removal of packings, seals, sealing devices, and sealing materials

packings and seals, namely, compression packings, gasketings, hydraulic seals and packings, mechanical seals, oil and grease seals, and expansion joints, all made of fibrous materials; natural and synthetic elastomers, plastics, and various combinations thereof, for use in retaining and sealing fluids in pipelines and fluid handling machinery