G D

Class 7

[ CENTRIFUGAL, DIAPHRAGM AND ] RECIPROCATING PLUNGER PUMPS; [ AIR AND GAS COMPRESSORS AND CONTROLS FOR USE THEREWITH ] AND [ AS ] PARTS THEREFOR;[ FLUID OPERATED MOTORS; HOISTS; ] [ LUBRICATORS FOR COMPRESSED AIR MOTORS; COMPRESSED AIR DISTRIBUTION CONDUIT ] [ AND TRACKWAYS FOR USE WITH COMPRESSED AIR MOTOR ACTIVATED TOOLS, HOISTS, AND HOIST MOVERS; MOTOR ACTIVATED TOOLS FOR DRILLING, THREAD CUTTING, SCREW DRIVING, NUT TIGHTENING, GRINDING, SAWING, CHIPPING, AND BINDING ELECTRIC CABLE ASSEMBLIES; BALANCERS FOR SUSPENDING TOOLS; PNEUMATIC HAMMERS; PORTABLE ROTARY EARTH DRILLING MACHINES; COMPONENTS FOR ROTARY EARTH DRILLING MACHINES-NAMELY, DRAWWORKS, ROTARY TABLE TYPE DRILL STEM DRIVING UNITS, TRAVELING BLOCKS, CROWN BLOCKS, POWER TRANSMISSIONS, AND DRILL PIPE; ROCK DRILLING MACHINES; PRESSURE FLUID ACTIVATED PERCUSSION ROCK DRILLS, ROCK DRILL SUPPORTS AND ADVANCE CAUSING MECHANISMS; ROCK DRILL STEM COMPONENTS-NAMELY, DRILL RODS, DRILL ROD COUPLINGS, AND DRILL BITS; MACHINES AND POWER OPERATER TOOLS FOR CONNECTING ELECTRICAL CONDUCTOR WIRES TO TERMINALS BY MECHANICAL WRAPPING; POWER OPERATED TOOLS FOR UNWRAPPING ELECTRICAL CONDUCTOR WIRES FROM TERMINALS, AND BITS (SPINDLES) FOR USE WITH TOOLS FOR CONNECTING WIRES TO AND UNWRAPPING WIRES FROM TERMINALS; AND UNWRAPPING WIRES FROM TERMINALS; AND MACHINES AND POWER OPERATED TOOLS FOR CUTTING AND STRIPPING INSULATION FROM ELECTRICAL CONDUCTOR WIRE; AND PARTS FOR THE ABOVE ]