Ukuhlola Izinzuzo Zokubulala Emisebenzini Yokwakhiwa

Ukuhlola Izinzuzo Zokudolwa Kwama-Rotary Ku-Constructions Introduction to Rotary Drilling Rigs In the Ngokushesha-e okubandakanya umhlaba wokwakha, Ukuthuthuka kwezobuchwepheshe kudlala indima ebalulekile ekwandiseni ukusebenza kahle nasekuqinisekiseni impumelelo yephrojekthi. ** Ama-rigs wokumba ama-routary ** avele njengenye yamathuluzi asebenza kakhulu ku-arsenal yokwakha. Lesi sihloko sihlola izinzuzo eziningi