SD

Steel sheets; steel pipes; building boards of metal; stop collars of metal, namely, stop collars for pipes; stops of metal, namely, door stops; strap-hinges of metal; brackets of metal for construction of buildings; framework of metal for buildings, namely, metal beams, door frames; reinforcing materials of metal for building construction, namely, joists, ceiling supports, braces; fittings of metal for buildings, namely, metal joinery fittings, metal pipe fittings; prefabricated buildings of metal; hardware of metal, namely, pulleys, sprints, nuts, washers, screws; linings of metal for building purposes; pillars of metal for buildings, namely, vertical support beams; poles of metal; posts of metal; props of metal, namely, metal support poles; sheet pipes of metal; sheets and plates of metal for use in building construction and structural reinforcement; trellis of metal; tubes of metal