| http://www.w3.org/ns/prov#value | - In FIG. 9 screen 245, used as the operator raises the traveling block to the pick up height, displays data including the position of the traveling block in the derrick and the upper and lower set points of the block control system in depiction 250. [0030] Screen 255 shown in FIG. 10 includes a control 260 for providing a video image from a top drive camera, and the relevant data displayed includes
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