Vacuum cleaners; sharpening machines; electric grinding wheel machine; machines and apparatus for wax-polishing, electric, namely, electric wax-polishing machines for industrial purposes, electric wax-polishing machines for household purposes, electric parquet wax-polisher; metalworking machines, namely, cutting machines for metalworking, drilling machines for metalworking, grinding machines for metalworking, lapping machines for metalworking; machines and apparatus for polishing electric, na...