Its main function is to provide a means of raising and lowering the traveling block. ( Learn how and when to remove this template message)Ī drawworks is the primary hoisting machinery component of a rotary drilling rig. ![]() ( June 2012) ( Learn how and when to remove this template message) Please help to improve this article by introducing more precise citations. ![]() This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations.
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