MACHINES AND MACHINE TOOLS; MOTORS (EXCEPT FOR LAND VEHICLES); COUPLINGS AND TRANSMISSIONS (EXCEPT FOR VEHICLES);VIBRATORS, MACHINES AND APPARATUS EQUIPPED WITH VIBRATORS, EXPECIALLY SHAKING TABLES, VIBRATING STRAIGHTEDGES,VIBRATING OR SHAKING RAMMERS, VIBRATING PLATE S, VIBRATING ROLLERS, VIBRATING PLATES, MECHANICAL TROWELS, INDEPENDEN TOR CONCRETE-BREAKING PICK-HAMMERS