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1. |
What is value of surface finish achieved, when we use the abrasive of grit number 240?$ |
A. | 0.01 – 0.08 μm |
B. | 0.08 – 0.13 μm |
C. | 0.13 – 0.25 μm |
D. | 0.25 – 0.38 μm |
Answer» E. | |