This is what Piping & Fabrication can post today, because I have to download a new movie, so I can watch it tonight. and this is the post for today.
The following publications of the American Gas Association (AGA) are of interest to people associated with the design, construction, operation, and maintenance of gas systems piping.
Z223.1-92 National Fuel Gas Code, Fifth Edition
Z22.3-92 National Fuel Gas Code Handbook, Second Edition
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