Free Building Systems Information
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http://www.what-is-hvac.com
Offers information about building HVAC mechanical systems. |
LogHomeBuilders.org
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http://www.loghomebuilders.org/
Association for builders who want to build log cabins and log homes without log home kits, from scratch. |
nawic.org
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http://www.nawic.org/
Supports and promotes employment and advancement of women in the construction industry. |