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Roblox is an online game platform and game creation system built around user-generated content and games, [1] [2] officially referred to as "experiences". [3] Games can be created by any user through the platform's game engine, Roblox Studio, [4] and then shared to and played by other players. [1]
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BlueStacks (also known as BlueStacks by now.gg, Inc.) is a chain of cloud-based cross-platform products developed by the San Francisco-based company of the same name. The BlueStacks App Player enables the execution of Android applications on computers running Microsoft Windows or macOS .
In this way the derrick can reach a vertical position. A bullrope pulls the derrick to the other side until the weight of the cargo tips the derrick over, so that the span tackles now have the weight on the other side. The union table is fixed again and the derrick can start work on the other side. There are also Stülcken with single-pendulum ...
Racking board (#15) is the catwalk along the side of the derrick (usually about 35 or 40 feet above the "floor"). The monkey board is where the derrick man works while "tripping" pipe. Mud motor (not pictured) is a hydraulically powered device positioned just above the drill bit used to spin the bit independently from the rest of the drill string.
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A derrickhand or derrickman is the person who sits atop the derrick on a drilling rig. [1] Though the exact duties vary from rig to rig, they almost always report directly to the driller . [ 2 ] Their job is to guide the stands of the drill pipe into the fingers at the top of the derrick.