7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
downhole tools, namely, milling tools for removal of composite or dissolvable bridge plugs, circulation subs, coiled tubing connectors, jetting nozzles, cutting tools, cable heads, and centralizer subs; completion tools, namely, composite and dissolvable bridge plugs, toe initiation subs, frac sleeves (operated by ball drop, coiled tubing, or other means), casing isolation/float tools, casing packers, open hole casing packers, completion inflow control devices, casing liner hangers, sub surface safety valves, gas lift downhole equipment, water bypass subs, crossover subs and perforating tools; hydraulic fracturing equipment, namely, composite and dissolvable bridge plugs, setting tools for dissolvable or composite bridge plugs, toe initiation subs, frac sleeves (operated by ball drop, coiled tubing, or other means), frac balls and darts, open hole casing packers, and perforating tools