OIL, GAS, WATER, AND SULPUR WELL TOOLS AND EQUIPMENT-NAMELY, CASING COLLARS, CASING SHOES, [ TUBING COLLARS, ] TUBING SHOES, BAILERS, JUNK BASKETS, CEMENTING BASKETS, BOTTOM HOLE SCRAPERS, BRIDGE PLUGS, [ CABLE TOOL CORE BARRELS, ] CASING CENTRALIZERS, CASING SCRAPERS, RETRIEVABLE CEMENTERS, TUBING CENTRALIZERS, CHANGE-OVER FLOW TUBES, CIRCULATING SUBS, CIRCULATION JOINTS, [ CORE BARREL TONGS, DRILL BARREL TONGS, ] HYDRAULIC HAND PUMPS, DRILL PIPE FLOATS, EXPANSION JOINTS, HOOK-UP NIPPLES, SAFETY JOINTS, [ WASH JOINTS, ] JUNK PUSHERS, KELLY AND PIPE STRAIGHTENERS, TUBING SEAL NIPPLES, WELL PACKERS, PACKER SETTING TOOLS, BRIDGE PLUG SETTING TOOLS, SUBS, WALL SCRAPERS, FEELERS AND JUNK CATCHERS, WIRE LINE SETTING AND OPERATING TOOLS, TUBING ANCHORS, PLUG DROPPING HEADS, UNLOADING JOINTS, WIRE LINE JARS, RETRIEVING JOINTS, CEMENTING MANIFOLDS, BALL RELEASING TOOLS, TUBING HEADS, CASING GUIDES, BAFFLE PLATES, CEMENTING PLUGS, FISHING TOOLS, TAIL PIPES, TUBING SWIVELS, PLUG CATCHERS, [ SIDE WALL SAMPLERS, CORE PUSHERS, ] CLEANOUT BAILERS, [ WALL HOOKS, ] CASING MILLS, WALL SCRATCHERS, STOP RINGS, PIPE VISES AND PARTS THEREOF