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The machining process that involves thermal energy is

1. Abrasive Jet Machining
2. Chemical Machining
3. Electrochemical Machining
4. Laser Beam Machining

Correct answer: Laser Beam Machining

Solution

Laser Beam Machining utilizes focused laser energy to melt or vaporize material, making it a thermal process that effectively cuts or engraves various materials.

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