A na-akpọ tubes ígwè square maka akụkụ oghere ya. A na-eji ọnụ ọgụgụ buru ibu nke pipeline na-ebufe mmiri mmiri, dị ka mmanụ, gas, mmiri, gas, uzuoku, wdg.
Ke adianade do, mgbe ekwe na torsional ike bụ otu, arọ bụ dịtụ ìhè, n'ihi ya, ha na-ọtụtụ ebe na-eji na imewe nke n'ibu akụkụ na engineering owuwu.
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