Air suction machines; Back pressure valves as parts of machines; Direct current motors; Electric arc cutting apparatus; Electric drills; Electric hammers; Electric pumps; Electric screwdrivers; Electric welding machines; Electricity generators; Motors, other than for land vehicles; Power-driven wrenches; Power-operated spray guns; Pumps for machines; Solar-powered electricity generators; Soldering apparatus, electric; Soldering irons, electric; Starters for motors; Vacuum pumps; Valves being ...