7 Machines for the treatment of metal, wood and plastic for the can and cap making industry; construction machines, namely, machines for manufacturing sheet metal containers; machine tools, other than hand-operated, namely, eccentric presses being machines, paper processing machines and plastic coating apparatus being machines for the treatment of plastic; hose reels for machines and hydrostatic drives for machines on container vehicles; displacement pumps being machines only for transporting, dosing, metering and refuelling gas, powder or liquids; parts of machines, namely, control fittings in the nature of control valves and adjustment valves; fittings as parts of machines for tank vehicles in the nature of valves, couplings, overfill protections, venting valves, meter heads; fittings as parts of machines for fueling airplanes in the nature of valves, couplings, overfill protections, venting valves, meter heads; machine couplings being connectors not for land vehicles