Chains of metal and building curtain walls made primarily of metal chains; metallic joints for chains; links of metallic chains; metal chains, curtains made of metal chains and metal mesh for protection against insects and for decorative purposes made of metallic threads and fabrics; building materials, namely, metallic grids; steel roller shutters; wires; screw rings of metal, brackets of metal for building, hardware, namely, metal pins and metallic washers; peeled metal bars; metal panels f...