Construction materials, namely, ceiling and partition wall systems of metal for the construction sector and components of metal therefor, consisting predominantly of suspension devices in the nature of metal cable wire or steel wire rope, support strips in the nature of all-purpose metal straps, metal support straps or ceiling supports of metal, metal clamps in the nature of clamping strips and profile strips for arranging devices on and in walls, ceilings and other surfaces, cross-connectors in the nature of tension links of metal, structural joint connectors of metal or metal pipe connectors, springs in the nature of metal hardware, hooks, dowels, wires of common metal, wire rope, and ceiling and wall panels; Frames of metal for building, namely, frame structures of metal for building; spacers being building elements made of metal in the nature of metal spacer brackets and metal spacer profiles for arranging devices on and in walls, ceilings and other surfaces; building structures of metal, namely, building wall framing made primarily of metal; retaining, fixing devices of metal for walls and ceilings, namely, metal expansion joints, suspension clamps, cross connectors in the nature of tension links of metal, structural joint connectors of metal or metal pipe connectors, hooks, plugs, dowels, wires and wire ropes; internal wall cladding of metal for building; ironmongery of metal for building, namely, metal angle plates, perforated metal plates, metal support strips in the nature of all-purpose metal straps, metal support straps or ceiling supports of metal, metal clamps in the nature of metal clamping strips and metal profile strips for arranging devices on and in walls, ceilings and other surfaces; metal clips for general use; profiles made of metal in the nature of metal profiles for arranging devices on and in walls, ceilings and other surfaces; structural frames of metal for building; metal rails; supporting structure of metal for ceilings in the nature of ceiling supports of metal; pre-fabricated metal constructions, namely, pre-fabricated frames of metal for building for suspended ceiling systems; ceiling and wall panels of metal; Building panels of metal, namely, acoustic panels of metal for ceilings and walls; Building panels of metal, namely, fireproof panels of metal; Aluminum-coated ceiling and wall elements, namely, aluminum coated ceiling and wall panels; Ceiling elements in the nature of metal ceiling panels and metal ceiling tiles; ceiling components in the nature of ceiling supports of metal and metal coverings for ceilings; Ceiling cladding of metal for building; Wall elements in the nature of wall panels of metal and wall linings of metal for building; Wall components in the nature of metal wall tiles; Wall cladding of metal for building; Wall panels of metal for building, namely, partition walls and room dividers of metal; Metal suspended ceiling systems comprising metal framework; Ceilings of metal in the nature of metal framework and metal ceiling panels supported by said metal framework; all of the aforesaid goods consisting wholly or predominantly of metal, optionally in combination with non-metallic materials; all the aforesaid goods being in particular for the fitting-out of buildings