Dear Experts,
We have some duct works (HVAC) in our site. Our client want to qualify the duct workers. Is there any such procedures for qualifying duct workers. If so, please convey your comments.
S.Binoy
Hello, Please see the response below. Regards. P. Goswami, P. Eng, IWE. From: materials-welding@googlegroups.com <materials-weld...
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