دانلود کتاب NFPA 51B 2019
by NFPA
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عنوان فارسی: NFPA 51B 2019 |
دانلود کتاب
جزییات کتاب
This standard presents provisions to prevent injury, loss of life, and loss of property from fire or explosion as a result of hot work projects such as welding, heat treating, grinding, and similar applications producing or using sparks, flames, or heat.