| http://www.w3.org/ns/prov#value | - So it is not difficult to understand why Envision Solar, which does distributed power systems, is now collaborating with the temporary-structure company Proteus On-Demand Facilities to sell its LifePort and LifeVillage products to international aid, governmental and other organizations.???LifePort is a modular building system, made from light gauge steel, with scalable photovoltaic panels.
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