INTERNAL COMBUSTION ENGINES, INCLUDING DIESEL ENGINES FOR STATIONARY AND MARINE PURPOSES, GAS ENGINES, DUAL FUEL ENGINES-NAMELY, INTERNAL COMBUSTION ENGINES FOR BOTH GASEOUS AND LIQUID FUELS; IN-LINE V-TYPE AND RADIL ENGINES; ENGINE-COMPRESSOR UNITS; ENGINE-PUMPING UNITS; CONTROLS FOR INTERNAL COMBUSTION ENGINES; GEARS, INCLUDING SPEED CHANGING GEARS; POWER-DRIVEN HOISTS; FRICTION TYPE MINE HOISTS; ROCK, ORE AND GRAVEL CRUSHERS, INCLUDING CONE AND JAW CRUSHERS, GYRATORY CRUSHERS, IMPACT CRUSHERS, AND GYRATORY FINE GRINDERS; VIBRATING SCREENS FOR SCREENING ROCKS AND ORES; BALL MILLS AND GRINDERS; PLASTIC BACKING FOR MILL AND CRUSHER WEARING PARTS; ROTARY KILNS; AUTOGENOUS MILLS, TUBE MILLS, ROD MILLS AND PEBBLE MILLS; VERTICALLY AXISED SCREENS, ROD DECKS AND ROD GRIZZLIES, BAR GRIZZLIES; CONVEYOR DRIVE PULLEYS AND BRAKES; LUBRICATING SYSTEMS AND PARTS; TRACK WORKING EQUIPMENT, INCLUDING CRIBBING AND BALLASTING MACHINES, ADZING MACHINES, TRACK JACKS, TRACK GRINDERS, RAIL GRINDERS; TAMPERS, SPIKE DRIVERS, SPIKE PULLERS, RAIL DRILLS, TRACK-SUPPORTED SCREENING ASSEMBLIES FOR SCREENING BALLAST BEFORE IT IS RETURNED TO PLACE; NUT AND BOLT SCREWING AND UNSCREWING DEVICES-NAMELY, POWER SOCKET WRENCHES FOR NUTS AND BOLTS OF TRACK RAILS; BALLAST ROUTERS; YARD CLEANERS; TRACK GAGING MACHINES; TIE PULLERS AND INSERTERS; LINE INDICATORS; RAIL LIFTERS; SCARIFIER-INSERTERS; SCREENS AND SCREEN ASSEMBLIES FOR RAILROAD USE; SPIKE HAMMERS; SPIKE PULLERS-HYDRAULIC AND MECHANICAL; TAMPING POWER JACKS; TIEAXES; TIE DRILLS; TRACKLINERS; TRACKSHIFTERS; TRACK SURFACERS; SWITCHLINERS; METALWORKING AND METAL FORMING HYDRAULIC PRESSES; COMPRESSION AND TRANSFER MOLDING PRESSES FOR PLASTICS; REINFORCED PLASTICS MOLDING PRESSES; LAMINATING PRESSES; AIR POWER PRESSES; HYDROSTATIC PRESSES; SCRAP SHEARS; STRAIGHTENING, FORCING AND BENDING PRESSES; HOBBING PRESSES; SPECIAL PRESSES; ACCUMULATOR SYSTEMS; HIGH PRESSURE HYDRAULIC VALVES; HYDRAULIC SHOCK ALLEVIATORS; HIGH PRESSURE PUMPS; ABRASIVE WHEEL PRESSES; ABRASIVE BELT SEALING PRESSES; POWDERED METAL PRESSES; EXTRUSION PRESSES; AND BRIQUETTING PRESSES