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.
ash, dust and granular material handling and conveying systems comprised of hoppers, pressure vessels, compressors, transport pots, air dryers, plugs, electric air heaters, blowers, bellows expansion joints, air supply headers, aeration blocks, sound enclosures, adapters, filters, regulators, transmitters, switches, pressure switches, controls, controllers, control panels, sensors, probes, valves, drives, v-belt drives, intake tees, tanks, tank legs, supply lines, conveying lines, pipe, piping, spool pieces, seals, interlocks, flanges, gaskets, bolt sets, joints, expansion joints, unions, pipe hangers, line supports, fittings.