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.
parts of machines for use in oilfield equipment, namely, spacer tools, valves, flanged connectors; loose connections, namely, connectors not intended to be made integral with another piece of wellhead and christmas tree equipment; tees, namely, pressure-containing fittings with three openings; crosses, namely, pressure containing fittings with a minimum of four openings
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
parts of machines for use in oilfield equipment, namely, electronic drilling spools, electronic pressure control equipment for drilling, namely, ram blowout preventers and annular blowout preventers