84 صفحه pdf
NFPA 170:2015
Standard for Fire Safety and Emergency Symbols
NFPA 170:2015-Standard for Fire Safety and Emergency Symbols
84 صفحه pdf
NFPA 170:2015
Standard for Fire Safety and Emergency Symbols
عمومی--26 صفحه--
After completion of this unit, the student should be able to:
Identify the different weld symbols used by AWS and their meaning.
Identify the different joint symbols used by AWS and their meaning.
Know the importance of the placement of each symbol.
Draw the different symbols and lines used by AWS.
Make the proper welds in the proper locations using an AWS blueprint or diagram.
Make fabrication plans using the AWS symbols.
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http://uploadboy.me/odp9hnqgg838/AWS WELDING SYMBOLS.zip