Industrial and commerdial metal vaults for enclosing liquid and solid waste, storage of water or fuel, agricultural processing facilities or municipal education and recreation facilities; parts for metal vaults; namely, gussets, panels, struts, hub covers, mounting brackets and batten bars, all made of metal

industrial and commercial metal vaults for enclosing liquid and solid waste, storage of water or fuel, agricultural processing facilities or municipal education and recreation facilities; parts for metal vaults; namely, gussets, panels, struts, hub covers, mounting brackets and batten bars, all made of metal