http://www.onlineconversion.com

Conversion Resource

http://www.nspe.org
National Society of Professional Engineers

http://www.asme.org
American Society of Mechanical Engineers

http://www.sme.org/
cgi-bin/getsmepg.pl?/
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Society of Manufacturing Engineers

http://www.metsoc.org/
virtualtour/processes/i
nfometals.asp

The Metallurgical Society Metallurgists

http://www.amm.com
American Metals Market

http://www.aisc.org

American Institute of Steel Construction

http://www.doityourself.com/
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http://www.usgs.gov

US Geological Survey

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OSHA

http://www.mathforum.org
The Math Forum

http://www.ups.com/content
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UPS

Business Industrial Network
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