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WeldingGet your link added Back To Trades Index | Professional Trades Top Sites Welders Welding is the most common way of permanently joining metal parts. In this process, heat is applied to metal pieces, melting and fusing them to form a permanent bond. Because of its strength, welding is used in shipbuilding, automobile manufacturing and repair, aerospace applications, and thousands of other manufacturing activities. Welding also is used to join beams when constructing buildings, bridges, and other structures, and to join pipes in pipelines, power plants, and refineries. NFPA Codes & Standards Server Home Welcome to the United States Environmental Pr. Code Check, help with building codes, plumbin. BIX - AEC - Construction Industry Directory o. American National Standards Institute
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