Metal silos and metal storage structures in the nature of tanks, containers and modular metal structures for agricultural, commercial or industrial storage; metal storage containers for liquids, piece material and bulk material; steel sections for assembling the aforesaid goods; aluminum geodesic dome roof coverings; metal supports for panels; roof kits made of metal roof panels and metal support structures; roof systems made of metal frames and frameworks; roofs, namely, metal roofing; metal...