modular buildings made of metal material; prefabricated buildings made of metal material; partitions that are construction materials made of metal material; metal wall panels, doors, windows, roof trusses, flooring, siding, shingles and shakes, fastening anchors, anchor bolts, post anchors, and clips; structural steel tiles; kits comprising pre-finished, fully and partially pre-assembled building kits consisting of metal beams and connecting components, metal and non-metal exterior curtain wa...