7 Metalworking machines; metalwork machine tools; chemical processing machines and apparatus, namely, mechanical presses; agitating machines for circulating liquid media; drying machines for use in chemical processing; absorbing machines for chemical processing; adsorbing machines for chemical processing; mixing machines; bulk material blending machines; dust collecting machines; sintering machines; calcining machines; cleaning apparatus in the nature of floor cleaning machines, particle blast cleaning machines and structural parts thereof, non-abrasive blast cleaning machines; sorting machines; granulating machines; extracting machines; emulsifying machines; kneading machines; roasting machines; disintegrators; reaction vessels as integral component parts of chemical reactors for chemical processing; partial condensers for chemical processing; separating machines; grinding mills; dissolving machines; filtering machines for chemical processing; textile machines and apparatus, namely, silk yarn re-reeling machines; cocoon drying machines; silk yarn testing machines; silk yarn bundling machines; silk yarn reeling machines; cocoon boiling machines; cocoon-waste treating machines; chemical fiber drying machines; staple fiber cutting machines; chemical fiber purifying machines; chemical fiber spinning machines; yarn singeing machines; yarn winding machines; yarn carding cans; yarn reeling machines; fiber blowing and scutching machines; yarn warping machines; yarn slivering and combing machines, spinning frame machines, roving machines, carding machines, yarn twisting machines, yarn drawing machines, automatic looms, special weaving power looms, power looms, machines for the production of fish-netting, embroidery machines, rope making machines, braiding machines for the production of textiles, hosiery looms, lace making machines and parts thereof, felt milling machines, felt carding machines, textile calendaring machines, fabric raising machines for textile treating, spray damping machines for textile treatment, yarn singeing machines, high pressure degumming machines, wet decatizing machines, dip-dying machines, textile scutching machines, textile making-up machines in the nature of textile washing machines, machines for dyeing textiles, machines for the production of technical textiles, machines for the production of textiles for clothing; textile washing machines, printing machines, hot air driers in the nature of chemical fiber drying machines, textile tentering machines, palmer felt carding machines, continuous scouring and bleaching machines, rotary presses; lumbering, woodworking, and veneer and plywood making machines and apparatus, namely, woodworking veneer manufacturing machines, plywood finishing machines, plywood drying machines, plywood presses, plywood clipping machines, plywood jointing machines, plywood gluing machines; printing machines; bookbinding machines; printing and bookbinding machine apparatus, namely, intaglio printing machines, typesetting machines, photogravure printing presses, matrices in the nature of die sets and template forms for use in printing, boxes for matrices in the nature of die sets and template forms for use in printing, phototypesetting machines, composing machines, photo-engraving machines, printing machines in the nature of typographic presses, planographic printing machines; painting machines; packaging machines; wrapping machines; plastic processing machines and apparatus, namely, compression moulding machines, extrusion moulding machines, injection moulding machines, machine parts in the nature of plastic moulds for use with injection molding machines; semiconductor manufacturing machines; semiconductor manufacturing systems, namely, semiconductor wafer processing equipment; machines and apparatus for manufacturing rubber goods, namely, machine parts in the nature of rubber vulcanizing apparatus for use with rubber forming machines, rubber mixing machines, rubber forming machines, machine parts in the nature of rubber mixing rolls apparatus for use with rubber mixing machines, machine parts in the nature of rubber moulds for use with rubber forming machines; non-electric prime movers not for land vehicles, namely, engines not for land vehicles; pneumatic machines and instruments, namely, centrifugal pumps, reciprocating pumps, rotary pumps, axial flow pumps, mixed flow pumps, vacuum pumps, centrifugal blowers for machines, power operated rotary blowers, power operated axial flow blowers, power operated turbo blowers, centrifugal compressors for machines, reciprocating compressors for machines, rotary compressors for machines, axial flow compressors for machines, turbocompressors for machines; hydraulic machines and instruments, namely, centrifugal pumps, reciprocating pumps, rotary pumps, axial flow pumps, mixed flow pumps, vacuum pumps, centrifugal blowers for machines, power operated rotary blowers, power operated axial flow blowers, power operated turbo blowers, centrifugal compressors for machines, reciprocating compressors for machines, rotary compressors for machines, axial flow compressors for machines, turbocompressors for machines; adhesive tape dispensing machines; machine elements not for land vehicles, namely, shaft couplings, axles for machines, high frequency motor spindles, bearings for transmission shafts, shaft connectors, bearings, idling pulleys, pulleys, cams shafts, reversing gears, reduction gears, hydraulic accumulators, hydraulic intensifiers for use in increasing hydraulic pressure in machinery, belt pulleys, power transmission belts, toothed wheels and gears, speed change gears, fluid couplings, hydraulic torque converters, links being parts of machines, roller chains, pneumatic shock absorbers, spring shock absorbers, spring-assisted hydraulic shock absorbers, spiral springs, laminated leaf-springs, cone brakes, disc brakes, band brakes, block brakes, angle valves, ball valves, cocks, automatic control valves being parts of machines, butterfly valves; waste compacting machines; waste compacting apparatus, namely, machine tools for removing waste material; waste crushing machines; starters for motors and engines; AC motors and DC motors, not including those for land vehicles; parts for AC motors and DC motors, namely, electric compressors, electric motors for machines; AC generators in the nature of alternators; DC generators