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First we will look at one of the most widely known and purposeful components on a drill rig, known as the derrick. Find the derrick on the interactive and watch the corresponding video.
What is one purpose of the derrick?
After locating and learning about the derrick, let’s turn our attention to another major component of any drill site, the drill bit. Drill bits enable drilling by crushing and scraping the rock at the bottom and drilling through the rock layers. Locate the drill bit on the interactive and watch the short video clip to answer the following question:
What is another name for a “drag bit?”