Ua fa'ailoa mai ma le fa'amaoni e Kertong e na'o na'o pupuni e sui ai, ae le o mea muamua.Derrock, FLC, Hyperpool, PWP, Wave Screen o faʻailoga a Derrock Corporation.NOV Brandt, VSM, Cobra, King Cobra, D380, D285P ma LCM o faailoga o Varco I/P, Inc. MI SWACO, ALS-2, MD-2, MD-3, MEERKAT PT, ...
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