Electric arc welders; Electric hammers; Electric hand-held drills; Electric hand-held hammers; Electrical drills; Grinding and polishing machines; Hand-held vacuum cleaners; Milling cutters for milling machines; Pneumatic hand-held drills; Power drills; Power driven polishers; Slotting machines; Welding torches; Wood chipping machines; Wood drilling machines; Wood grinding machines; Wood milling machines; Wood sawing machines