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| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a gadget; dingus; thingumbob. |
roller coaster
elevated railway with steep inclines and descents that carries a train of passengers through sharp curves and sudden changes of speed and direction for a brief thrill ride. Found mostly in amusement parks as a continuous loop, it is a popular leisure activity
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