MANHOLE COVERS, MANHOLE FRAMES, COVERS IN FORM OF FLOOR PLATES FOR COVERING DUCTS

manhole covers and frames; drainage gratings; ducts and ducting; metal building materials

Metal manhole covers and manhole frames and metal drainage gratings; metal duct covers, metal inspection covers; metallic building materials used within drainage and sewer systems, namely, beams, pipe work, drains and cladding; metallic frames and covers used in drainage and sewer systems, namely manhole covers and sewer access covers; unwrought and partly wrought common metals, and their alloys; rolled and cast metal building materials, namely beams, rails, pipes, concrete reinforcing steels...