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.
oil and gas well completion remedial tools, namely, downhole remedial tools, namely, packers, [bridge plugs,] open hole packers, landing nipples, seal bore packers, wire line set packers, hydraulic set packers, tubing anchors, wire line plugs, sliding sleeves,[ inflatable packers, cement retainers]; service remedial tools, namely, retrievable packers and bridge plugs, cement retainers, inflatable packers, [wire line landing nipples, ]treating packers, wire line plugs; fracturing systems, namely, cased hole and open hole multistage packers used to place fluids in sections of an oil an gas well to stimulate production; acidizing systems, namely, cased hole and open hole multistage packers used to place acids in sections of an oil an gas well to stimulate production; intelligent completion systems, namely, packers,[ valves, gauges and control systems] used to control the movement of fluids in a well; specialty service tools, namely, open hole straddle test and acid tools for well stimulation, multilateral testing packers for well stimulation and [bridge plugs, open hole cement retainers; ] flow control equipment, namely,[ landing nipples, ]sliding sleeves,[ wire line plugs, wire line chokes, pressure gauges,] shifting and running tools; and tubulars