MCQOPTIONS
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| 1. |
What is the size of the openings for a microscreen?$ |
| A. | 35-50µm |
| B. | 10-35µm |
| C. | 50-60µm |
| D. | 60-6µm |
| Answer» C. 50-60¬¨¬®¬¨¬µm | |