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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.
cranes and parts thereof for offshore and marine industries; oil well drilling equipment; namely, chain tongs, power tongs, power operated drill spinning wrenches, spiralled heavy wall drill pipe; electric and diesel power generators for oilfield equipment; oilfield cementation equipment; namely, centralizers for casing and tubing, cement baskets, scratchers, wellbore wipers, and stop collars; oilfield float equipment; namely, float shoes, guide shoes, float collars, insert flapper collars, latchdown baffles and baffle collars; oilfield cementing plugs; drill pipe/casing protectors; plastic drill pipe protectors; installation tools for drill pipe protectors, control line and sucker rod protectors, stabilizer sleeves, wipers for drill strings, kelly wipers, portable thread cleaners for cleaning threaded connections of oilfield tubulars, including power drive assembly, brush housings and solvent tank therefor; whipstocks, mills; tubular running tools; namely, single-joint compensators and auto-seal circulating heads; fishing tools; namely, hydraulic multi-string cutters, milling tools, section mills, packer milling and retriever assembly, casing patches and casing rollers