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| Q. |
The roll is and the laser beam is moved along the roll. |
| A. | stationary, axially |
| B. | stationary, perpendicularly |
| C. | rotated, axially |
| D. | rotated, perpendicularly |
| Answer» C. rotated, axially | |
| Explanation: in texturing process of lbt, the roll is rotated and laser is moved axially along the roll. | |
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