Description: POWER SHOVELS, [ RAILWAY-TYPE POWER SHOVELS, ] REVOLVING POWER SHOVELS, EXCAVATING MACHINERY AND EXCAVATORS-NAMELY, [ GRAB-BUCKET EXCAVATORS, CLAMSHELL EXCAVATORS, ORANGE-PEEL EXCAVATORS, ] DRAG-LINE EXCAVATORS, [ TRENCH EXCAVATORS, TOWER EXCAVATORS, ] COAL LOADERS, COAL LOADING MACHINERY; [ DREDGES AND DREDGING MACHINERY-NAMELY, DIPPER DREDGES, ELEVATOR DREDGREDGES, HYDRAULIC OR SUCTION DREDGES, UNLOADING PLOWS, SPREADER PLOWS, UNLOADING MACHINES; CRANES-NAMELY, TRAVELING CRANES, RAILWAY WRECKING CRANES, RAILWAY BREAKDOWN CRANES; PILE DRIVERS-NAMELY, RAILWAY-LOCOMOTIVE PILE DRIVERS, RAILWAY PILE-DRIVING MACHINES, FLOATING PILE DRIVERS; PUMPS-NAMELY, PUMPS FOR EXCAVATING PURPOSES, LIQUID PUMPS, AND AIR PUMPS; HOISTS-NAMELY, POWER-OPERATED HOISTS, MANUALLY-OPERATED HOISTS, AND POWER BOOM HOISTS; DERRICKS, POWER-OPERATED DERRICKS, MANUALLY-OPERATED DERRICKS, AND MOBILE DERRICKS; WINCHES, AIR COMPRESSORS, FANS, STEAM ENGINES, CREEPING TRACTION MECHANISM, REVETMENT PLANTS, FORCE-FEED LUBRICATORS, ROLLER FOR USE WITH MACHINES MOUNTED ON SKIDS, HYDRAULIC JACKS, RATCHET JACKS, INJECTORS, DIPPER TRIPS, FUEL HOISTS, LIFTING BEAMS, DREDGE BUCKETS, GRAB BUCKETS, CLAMSHELL BUCKETS, ORANGE-PEEL BUCKETS, DRAG BUCKETS, EXCAVATING DIPPERS, DIPPER TEETH, AUTOMATIC STOKERS FOR STEAM BOILERS, STEERING WHEELS, AND REPAIR, SPARE, ] AND REPLACEMENT PARTS FOR THE SPECIFIED GOODS; SUCH OF THE FOREGOING AS ARE POWER OPERATED BEING OPERATED BY [ STEAM POWER, ] ELECTRICALLY OPERATED, GASOLINE-ENGINE POWER, DIESEL-ENGINE POWER, SEMI-DIESEL-ENGINE POWER, OR OTHER POWER
