Выражение встречается в следующем контексте:Mechanical connectors of the grip and seal type shall be used for all tie-in connection of new risers and old risers.Mechanical connectors of the grip and seal type are commonly used in the oil and gas industry extensively for performing subsea pipeline repairs for both oil and gas pipelines. Typical manufacturers are STATS, Morgrip, Hydrotech and Smart Flange.

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