7 [Metalworking machines and tools, namely, punching machines, shaping machines, sawing machines, grinding machines, perforating machines, cutting machines, lathes, slotting machines, boring machines, threading machines, nut-tapping machines, gear cutting and finishing machines, milling machines, broaching machines, planing machines, horning machines, drilling machines, lapping machines, rolling mills, tube mills, wire extruders, wire drawing machines, mechanical presses, manual presses, water hydraulic presses, shearing machines, forging machines, bending machines, hydraulic presses and wire forming machines; gas-operated welding machines, oxy-acetylene welding and cutting machines and electric welding machines; [ die-cuffing ] * die-cutting * and stamping machines and dies for use with machine tools; mine-working machines, namely, boring machines; machines for use in construction, namely, rams; cranes, conveyors, winches and hoists; power-operated lifts and conveyors for moving and storing goods and cargos; machines and apparatus for use in the chemical and petrochemical plant, namely, presses, agitators, absorbers, mixing machines, dust collectors, sintering machines, calcining machines, scrubbers, separators, sifters, granulators, extractors, emulsifiers, kneading machines, roasters, crushing machines, reaction vessels, partial condensers, grinding mills, dissolvers, and filtering machines; machines for manufacturing semi-conductors; centrifugal pumps, reciprocating pumps, rotary pumps, axial flow pumps, mixed flow pumps and vacuum pumps; blowers for machines; compressors for machines; car-parking machines, mechanically operated car-parking installations, namely, lifts for parking cars and storing them for parking purposes; painting machines; waste crushing, shredding and compacting machines; shaft couplings, not for land vehicles; transmission gears for machines]