Choose the odd one out.

A micro-AJM
B micro-USM
C micro-AWJM
D micro-EDM

Correct Answer: micro-EDM

Among all the processes, micro-AJM (micro abrasive jet machining), micro-USM (micro ultrasonic machining) micro-AWJM (micro abrasive water jet machining) use mechanical energy to remove the material; whereas, micro-EDM (micro eletro discharge machining) process uses thermal energy to remove the material.

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