7
ORE DRESSING MACHINES AND PARTS THEREFOR, OIL RECOVERY MACHINES AND PARTS THEREFOR, OIL REFINING MACHINES AND PARTS THEREFOR, SMELTING MACHINES AND PARTS THEREFOR, EXPLORATION MACHINES FOR OIL AND NATURAL GAS AND PARTS THEREFOR, MINING MACHINES AND PARTS THEREFOR, CEMENT-PACKING MACHINES, EXCAVATING MACHINES, DITCHING MACHINES, GRADING MACHINES, SCARIFYING MACHINES, LOAD CARRYING MACHINES, CARRYING-SCRAPING MACHINES, POWER OPERATED PILE DRIVERS; POWER OPERATED RAMMERS, ROLLERS AND ASPHALT PAVERS; MULTI-PURPOSE ROAD MAINTENANCE MACHINES, POWER OPERATED CONCRETE MIXERS, GROUTING MACHINES, POWER OPERATED MORTAR SPRAYERS, POWER OPERATED BAR STRAIGHTENERS, POWER OPERATED BAR BENDERS, BAR COLD-ROLLING MACHINES, BAR COLD-DRAWING MACHINES, ELEVATORS, POWER OPERATED CRANES, BLOCKS AS PARTS OF MACHINES, STANDARD POWER OPERATED WINCHES, CAPSTANS AS PARTS OF MACHINES, POWER OPERATED CONVEYORS, CONVEYORS BELTS, OVERHEAD POWER OPERATED CABLE CONVEYORS, ELECTRIC ELEVATORS, ESCALATORS, POWER OPERATED HOISTS, CRANE HOOKS AS PARTS OF MACHINES, CHAIN AND LEVER BLOCKS AS PARTS OF MACHINES, POWER OPERATED JACKS, POWER OPERATED LOADERS, VACUUM SUCKING DISCS AS PARTS OF MACHINES, AND POWER OPERATED CONCRETE VIBRATORS
12
SHIPS, POWER OPERATED BOATS AND STRUCTURAL PARTS THEREFOR, LOCOMOTIVES, TRACTOR TRUCKS, AUTOMOBILES AND STRUCTURAL PARTS THEREFOR, TRUCKS, TRAILERS, AND WHEELBARROWS