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 Links The Aluminum Association American Welding Society (AWS)
 Long Island Forum for Technology LIFT
 Federal Highway Administration (FHWA)
 US Department of Transportation (USDOT)
 American Society for Testing and Materials 
        (ASTM)
 National Cooperative Highway 
        Research Program (NCHRP)
 American Association of State Highway 
        Transportation Officials (AASHTO)
 
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