Match the following ProcessMechanism of material removalP.

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Match the following
Process Mechanism of material removal
P. EDM 1. Erosion
Q. ECM 2. Thermal evaporation
R. AJM 3. Anodic dissolution
4. Etching

1. P Q R
  2 3 1
2. P Q R
  2 4 1
3. P Q R
  1 3 4
4. P Q R
  4 3 1

Correct Option: A

P–2, Q–3, R–1