| http://www.w3.org/ns/prov#value | - Below is an example of a super-insulated natural building heated by AGS which I built as a site instructor with the Sustainable Building Design and Construction Class of 2006. www.sustainablebuilding2006.ca/content/uploads/images/SLC.JPGThe following is excerpted from www.sustainablebuilding2006.ca:???Warm air is collected from under the steel roof on the south side of the building during the warm
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