Goods of common metal not included in other classes, namely, rods, namely, threaded metal rods, flux coated metal rods, solder rods of metal, screwed rods of metal; metal building materials, namely, rods in the nature of metal building and connecting rods, namely, pipes and tubes of metal; goods of common metal, namely, compressed air, gas and fluid containers of metal; ironmongery, small items of metal hardware, namely, metal hose couplings for use with metal pipes; ironmongery, small items of metal hardware, namely, metal hose clips for use with metal pipes; goods of common metal, namely, casings of metal; pressure fluid pipes of metal; ironmongery, small items of metal hardware, namely, metal dowels; ironmongery, small items of metal hardware, namely, metal fastening and anchoring devices in the nature of construction mechanical anchoring systems, spike anchors, and nail-ins; goods of common metal, namely, steel balls for use as ball bearings; goods of common metal, namely, guide pins, valves not being part of machines, metal hardware springs, metal clamps, cable junction sleeves of metal, metal pipe supports, expanding sleeves for affixing screws and shanks of metal; goods of common metal, namely, metal rock bolts; goods of common metal, namely, metal expansion bolts and bushings and bearing plates for use therewith; metal tophammer tubes; drill pipes of metal; adaptors for pipes of metal for use with hydraulic and pneumatic systems; water-pipe valves of metal

Power-operated percussion hammer drills, pneumatically-operated percussion hammer drills, hydraulically-operated percussion hammer drills, pneumatic hammers, and power hammers all being structural parts of machines; drill chucks, drilling bits and drilling machines, all being structural parts of machines; oil and gas drilling apparatus in the nature of machine parts, namely, mandrels; mining machines, namely, earth drilling machines; machines, namely, mine borers; machine tools, namely, hydraulic mining powered and mechanical operated shovels; machines being pneumatic pumps; oil-well pumping machines; machine tools, namely, drill bits for rock drilling; drilling machines; drilling machines and structural parts therefor; earth drilling machines; machine tools, namely, power-operated percussion hammer drills; machine tools, namely, rock drills; well drilling machines; machine coupling and transmission components except for land vehicles, namely, pistons