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.
metal working machines; construction and civil engineering machines-namely, bulldozers, oil scrapers, graders, road and garden rollers, tamping machines, mixers being machines, asphalting machines, cranes, crushers, digging machines, disintegrators, piling presses, conveyors, and winches; cargo handling machines-namely, elevators, escalators and powered jacks; fishing machines-namely, line haulers, trawl winches, whale harpoon line winches, and net haulers, lumbering machines-namely, band saw mills, circular saws, saw sharpeners, wood lathes and wood millers; wood working machines; boilers as parts of machines or engines; steam engines; jet engines; and turbines