Prefabricated Structures hold gas containers.
Press Release Summary:

Original Press Release:
Prefabricated Storage for Gas Cylinders
DENIOS has a complete line of prefabricated structures for the compliant storage of gas cylinders and bottles. Made to conform with NFPA 55, these structures are available in a wide range of sizes. Options include ramps and non-flammable separation walls for storing incompatible gases. Units arrive fully assembled and are easily relocated as needed.