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te keri Ko nga punaha keri i runga ake i te taumahatanga o te Reamer Bit,Overburden Reamer
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Rererere Pakau Poraka Drill Casing Overburden Taputapu Taputapu Takiwa Ripapa Dilling Bits Mo Dth Reaming Hoole Drilling
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Rererere Pakau Poraka Drill Casing Overburden Taputapu Taputapu Takiwa Ripapa Dilling Bits Mo Dth Reaming Hoole Drilling
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wheketere Kounga Teitei Keri Toka Maama Concentric Overburden Casing
