AFC
AFC is an abbreviation of Approved For Construction. Approved For Construction means, that eg a piping isometric meets all requirements, and that AFTER release the prefab can begin.
ANSI
ANSI is an abbreviation of American National Standards Institute.
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API is an abbreviation of American Petroleum Institute.
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ASME is an abbreviation of American Society of Mechanical Engineers.
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ASTM is an abbreviation of American Society for Testing and Materials.
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AWWA is an abbreviation of American Water Works Association.
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