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Figure 1
























































                         Task 5. Look at Figure 2. It shows a rotary drilling rig. The elements  of it are:(1)
                  accumulators, (2) annular blowout preventer, (3) blowout-preventer stack, (4) brace, (5) cathead,
                  (6) cateline boom, (7) cellar, (8) choke manifold, (9) crown block, (10) crown platform, (crow’s
                  nest), (11) mud gas separator, (12) derrick or mast, (13) desanders and desilters, (14) dog house,
                  (15) drawworks, (16) driller’s console, (17) drill (derrick) floor, (18) drilling (hoisting) line, (19)
                  drillpipe on pipe rack, (20) duck’s nest, (21) elevators, (22) finger board, (23) fuel tank, (24)
                  Geronimo  line,  (25)  grit,  (26)  hoisting  (drilling)  line,  (27)  hook,  (28)  kelly,  (29)  leg,  (30)
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