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				| 1. | The_triple-_threaded_screw_is_made_to_rotate_10_revolutions_for_this_the_screw_advances_to_90_mm._What_is_the_pitch_of_screw? | 
| A. | 4.5 mm | 
| B. | 9 mm | 
| C. | 1 mm | 
| D. | 3 mm | 
| Answer» E. | |