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.
electrically and pressure fluid driven tools, and parts thereof-namely, assembly machines, grinders, sanders, wire brushes, screw drivers, nut runners, wire wrappers, torque and impact wrenches, drills, wood borers, tappers, saws, tube rollers, drill steel cutters, chipping hammers, calking hammers, scaling hammers, riveters and holders-on nail drivers, tampers, sand rammers, clay spades, diggers, concrete breakers, vibrators, core breakers; hoists; electrical and pressure fluid motors; pile drivers; air and gas compressors, stationary and mobile air and gas compressors and blowers; air and gas receivers; vacuum pumps; stationary and mobile internal combustion engines; centrifugal and reciprocating pumps; ((surface and barometric condensers; ))ejectors; steam and gas turbines; rock drills, submarine drills, core drills; detachable rock drill bits, drill steels; mountings for rock drills, drilling and broaching mountings; self-contained self-propelled mobile quarrying machines; airline lubricators