Tie plates, namely, anchor plates of metal; building and construction materials and elements of metal, namely, wall, ceiling, support and clamping profiles; building and construction materials and elements of metal, namely, explosion resistant building elements in the nature of metal beams and metal ceiling supports; building panels of metal, namely, metal roofing panels, metal floor panels; portable buildings of metal; metallic mountings, namely, bolts and mounting brackets for general use; ...