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link 19.05.2007 17:21 |
Subject: jack or a clamp. подземные трубопроводыNewly cut ends of pipes with higher nominal diameters can become somewhat oval. These cut ends can be rounded out simply by using devices, applied inside the pipe or outside, for example a jack or a clamp. |
Jack = домкрат, разжимает стенки трубы изнутри. Clamp = скоба (вроде струбцины), надевается наружу и, наоборот, сжимает стенки. |
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