Silos and storage structures of metal; metal containers for liquids, piece material and bulk material; steel sections for assembling the aforesaid goods; aluminium 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; metal roofing; ventilators (vents) of metal for silo and storage structures; parts and fittings for the aforesaid goods.

Silos and storage structures, all being non-metallic; silos made of glass; non metallic roofing membranes; PVC roofing membranes; parts and fittings for the aforesaid goods.