3D printers; Agitators for circulating liquid media; Electric arc welders; Electric can openers; Electric egg beaters; Electric meat grinders; Electric soldering apparatus; Electric sweepers; Electronic feeders for animals; Gas welding guns; Lawn mowers; Power-operated lawn edgers; Power drills; Power hammers; Printing presses; Screwdrivers, electric; Suction pumps; Vacuum cleaners