The machining process that involves ablation is

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Solution :

Laser Beam Machining (LBM) is a non-conventional machining process that involves the use of high-energy laser beams to remove material from the workpiece's surface. In this process, a focused laser beam is used to melt and vaporize the material, creating a cavity or a hole in the workpiece.
Ablation is the process of removing material from the surface of a solid material by vaporization or melting. In LBM, ablation occurs due to the high-energy laser beam melting and vaporizing the material from the workpiece's surface.