CPV: 44000000 Construction structures and materials; auxiliary products to construction (except electric apparatus), 34992000 Signs and illuminated signs, 34992100 Illuminated traffic signs, 34992200 Road signs, 34992300 Street signs, 44100000 Construction materials and associated items, 44115200 Plumbing and heating materials, 44115210 Plumbing materials, 44115220 Heating materials, 44162000 Piping, 44163000 Pipes and fittings, 44163100 Pipes, 44163110 Drainage pipes, 44163111 Drain pipes, 44163210 Pipe clamps, 44163230 Pipe connectors, 44163240 Pipe joints, 44163241 Insulated joints, 44164000 Casing and tubing, 44164100 Casing, 44164200 Tubing, 44164300 Tubular goods, 44164310 Tubes and fittings, 44165000 Hoses, risers and sleeves, 44165100 Hoses, 44165110 Drilling hoses, 44165200 Risers, 44165210 Flexible risers, 44165300 Sleeves, 44167000 Various pipe fittings, 44167100 Couplings, 44167200 Repair clamps and collars, 44167300 Bends, tees and pipe fittings, 44167400 Elbows, 44400000 Miscellaneous fabricated products and related items, 44410000 Articles for the bathroom and kitchen, 44411000 Sanitary ware, 44411100 Taps, 44411200 Baths, 44411300 Washbasins, 44411400 Shower basins, 44411600 Bidets, 44411700 Lavatory seats, covers, bowls and cisterns, 44411710 Lavatory seats, 44411720 Lavatory covers, 44411740 Lavatory bowls, 44423400 Signs and related items, 44423450 Nameplates, 44423460 Address plates, 44423700 Manhole elements, 44423710 Surface boxes, 44423720 Boundary boxes, 44423730 Manhole frames, 44423740 Manhole covers, 44423750 Drain covers, 44423760 Access covers, 44423790 Manhole step irons, 44500000 Tools, locks, keys, hinges, fasteners, chain and springs, 44510000 Tools, 44511000 Hand tools