[Solved] How the grooves in grinding wheels are produced using laser?

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Q.	How the grooves in grinding wheels are produced using laser?
A.	evaporation
B.	damage of composite
C.	evaporation & damage of composite
D.	none of the mentioned
Answer» C. evaporation & damage of composite
Explanation: grooves on the grinding wheels are produced due to evaporation and damage of the composite wheel material.

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