7 Metal working machines and tools, namely, cutting machines for metal working, mechanical presses for metal working, oil hydraulic presses for metal working, welding machines for metal working, electric drills, electric hammers, forging moulds, bending machines, blade sharpening machines, foundry machines, grinding machines, planing machines, pneumatic hammers, punching machines, rolling mills, electric shears, electric soldering apparatus, stamping machines, namely, automatic stamping machines, die-stamping machines; chemical processing machines and apparatus, namely, presses for chemical processing, agitators, granulating machines, extracting machines, disintegrators, dissolving machines, cartridges for filtering machines, centrifugal machines, acetylene cleaning apparatus, condensing installations in the nature of aircooled condensers, axial fan condensers, centrifugal fan condensers, electromechanical machines for chemical industry, namely, cleaning machines for chemical processing, extracting machines, emulsifying machines for chemical processing, disintegrators for chemical processing, grinding mills for chemical processing, filtering machines, oil refining machines, oil separators, water separators; food or beverage processing machines and apparatus, namely, power-operated flour mills, pasta making machines, beer brewing machines, cheese making machines, butter machines, milk processing machines, meat processing machines, sausage machines, power-operated meat mincers, fishery product processing machines, edible paste making machines, canning machines, tea processing machines, sugar making machines, oil processing machines, bottling machines, aerated beverage making machines, mineral water making machines; non-electric prime movers and their parts, other than for land vehicles, namely, aeronautical engines, engines for boats, motors for boats, boiler tubes being parts of machines, catalytic converters, compressed air engines not for land vehicles, fuel conversion apparatus for internal combustion engines, cylinders for motors and engines, driving motors other than for land vehicles, engines other than for land vehicles, exhausts for motors and engines, fans for motors and engines, feeding apparatus for engine boilers, feedwater regulators being parts of machines, flues for engine boilers, fuel economisers for motors and engines, hydraulic turbines, igniting devices for internal combustion engines, injectors for engines, jet engines other than for land vehicles, motors other than for land vehicles, pistons for cylinders, cooling radiators for motors and engines, silencers for motors and engines, steam engines, superchargers not for land vehicles, turbines other than for land vehicles, wind turbines; water mills; wind mills; mechanical elements other than for land vehicles, namely, shafts, axles, spindles being parts of machines, bearings, shaft couplings, shaft connectors, pulleys being parts of machines, cams being parts of machines, reduction gears being parts of machines, hydraulic torque converters, shock absorbers for machines, brakes not for land vehicles, valves being parts of machines, fan belts for motors and engines, power transmission belts for machines and engines, driving chains other than for land vehicles, clack valves being parts of machines, clutches other than for land vehicles, gears other than for land vehicles, universal joints being parts of machines, journals being parts of machines, machine wheelwork, pressure reducers being parts of machines, pressure regulators being parts of machines, pressure valves being parts of machines, transmissions for machines