6 [ Metal briquettes for further manufacture obtained from solidification of recyclable dust that includes grinding chips, wastes from shot blasting and metals in powder form; irons and steels; copper, lead, zinc, tin, aluminum, magnesium, nickel, titanium, indium, cadmium, chromium, germanium, cobalt, zirconium, tungsten, tantalum, niobium, vanadium, hafnium, beryllium, manganese, molybdenum and their alloys; ores of metal, namely, zinc ores, antimony ores, uranium ores, chrome iron ores, cobalt ores, mercury ores, tin ores, bismuth ores, tungsten ores, thorium ores, lead ores, nickel ores, manganese ores, molybdenum ores, copper ores, iron pyrites, iron ores; metal materials for building or construction, namely, chimney shafts, stair treads, fasteners for casement windows, wall linings, pilings, gratings, fences, shutters, water pipes, tiles, steel frames for building, shelf boards, hinges, handrails, gabions of steel wire, ceiling boards, ceiling decorations, door knockers, gutters, gutter brackets, sliding door pulleys or rollers, doors, door handles, door closers, pillars, wainscotings, beams as building material of metal, grilles, wire fences, fire retarding doors, floor pavings, windows, window knobs, window frames, window pulleys, gates, barbed wires, floor boards, louver doors ]