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.