Gas welding machines; gas-operated soldering irons; guns for use in explosion, namely, pneumatic grease guns; machine tools, namely, gear cutters; pneumatic shears; pneumatic hammers; holding devices for machine tools, namely, machine tool holders; punching presses for drilling machines; machine parts, namely, machine tool holders for metalworking machines; mechanical presses for metalworking; drilling machines for metalworking; milling machines for metalworking; rolling mills for metalworkin...