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Bearings, as parts of machines; Belt pulleys being parts of machines; Belts for machines; Brushes being parts of machines; Chucks for power drills; Cutting machines; Drill chucks for power drills; Electric arc cutting apparatus; Electric arc welding apparatus; Electrically-operated brushes, being parts of machines; Electrodes for welding machines; Knives, electric; Machine fly-wheels; Machine wheelworks; Membrane filters for use as parts of machines; Metalworking machine tools; Pulleys being parts of machines; Regulators being parts of machines; Scissors, electric; Shears, electric; Springs being parts of machines; Welding machines, electric