Kertong dia manambara amim-pahamatorana fa ny efijery fanoloana ihany no mamokatra fa tsy ny original.Derrock, FLC, Hyperpool, PWP, Wave Screen dia mariky ny Derrock Corporation.NOV Brandt, VSM, Cobra, King Cobra, D380, D285P ary LCM dia mariky ny Varco I/P, Inc. MI SWACO, ALS-2, MD-2, MD-3, MEERKAT PT, ...
Hamaky bebe kokoa