нет, там перечисляется, что метод включает в себя- In a second aspect the invention provides a method of drilling a hole comprising: providing a drill tower; supporting a drill head capable of applying torque to a drill bit, and a travelling sheave trolley, on the drill tower in a manner wherein both the drill head and the trolley are enabled to move linearly along the drill tower; coupling the trolley to the drill head in a manner wherein motion of the trolley in one direction causes motion of the drill head in an opposite direction; selectively actuating one or more of a plurality of rams to apply progressively increasing force symmetrically to the travelling sheave trolley.
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