6 Reinforcing pins of metal for formwork; metal latch bars; steel rods; steel in sheet, rod, bar or billet form; metal clips for cable and pipes; pipe clips of metal; squeeze tubes of metal; branching tubes of metal for pipelines; ductile iron piles; ground tubes of steel; steel in the form of sheets, plates, foils and coils; galvanized steel sheets; zinc-coated steel sheets; sheets of metal including those from alloy steel and titanium; metal bolts; steel chains; metal chains; steel rods, namely, drill rods; coupling, namely, pipe coupling of metal; seamless casings of metal; Brazing rods, namely, heat-treated drill rods; heat-treated wireline drill rods with heat treatment, namely, threaded metal rods; Heat treated wireline drill rods, namely, metal welding rods; loading sheets, namely, steel sheets; outer-tubes, namely, tubes of nickel alloy; loading sheets of metals; wireline core barrels surface, namely, wireline core barrels surface drilling bits for the mining industry (parts of machines and drilling systems); wireline core barrels surface and their constitutive parts and fittings, namely, wireline core barrels surface drilling bits (parts of machines and drilling systems) for the mining industry and the structural parts and fittings of the aforementioned; wireline overshot surface, namely, Wireline overshot surface drilling bits (parts of machines and drilling systems) for the mining industry".; wireline core barrels thin wall surface, namely, wireline core barrels thin wall surface drilling bits for the mining industry (parts of machines and drilling systems); wireline core barrels, namely, wireline core barrels drilling bits for the mining industry (parts of machines and drilling systems); split tube conversion kits surface, namely, Split tube conversion kits surface comprising metal compact double end water swivel, hoisting plug, split tube, drilling bits, drill loading chambers, casing bits, metal rod shoes, hand-held wedge tools, rock drills, metal drill pipe and drill tubing, hand-held reamers, and metal drill casings, all parts of machines and drilling systems, and used in the mining industries; wireline core barrels underground, namely wireline core barrels underground drilling bits for the mining industry (parts of machines and drilling systems); water swivel and hoisting plugs, namely, metal plugs; compact water swivel, namely, Metal hardware, namely, compact double-end water swivels for earth drilling equipment (parts of machines and drilling systems); locking couplings, namely, Metal couplings for earth drilling equipment (parts of machines and drilling systems); adaptor couplings, namely, Metal couplings for use with for earth drilling equipment (parts of machines and drilling systems); wedging plugs, namely plugs of metal for earth drilling equipment (parts of machines and drilling systems); drill rods adaptors, namely, Metal adapters for for earth drilling equipment (parts of machines and drilling systems); casings of metal; casing bits, namely, casings of metal for earth drilling equipment (parts of machines and drilling systems); drill pipe, namely, Metal drill pipes for earth drilling equipment (parts of machines and drilling systems); drill tubing, namely, metal tubing for earth drilling equipment (parts of machines and drilling systems); drill rod shank adapter, namely, Metal thread adapters for for earth drilling equipment (parts of machines and drilling systems); overshot assemblies, namely, Pre-fabricated metal building assembly kits; water swivels for earth drilling equipment, namely, Metal hardware, namely, double-end swivels; Casings of metal for oilwells, namely, drill casings for use in earth drilling operations; Metal adapters for use with hydraulic and pneumatic systems, namely, adapters for drill rods, water swivels, hoisting plugs, drill casings and recovery tools