Reason (R): Etching is easily done without any technical support.
A. (A. and (R) both are not correct.
B. (A) is correct, (R) is not correct.
C. (A) is correct, (R) is also correct.
D. (A) is not correct, (R) is correct.
Answer:B
Reason (R): Etching is easily done without any technical support.
A. (A. and (R) both are not correct. B. (A) is correct, (R) is not correct. C. (A) is correct, (R) is also correct. D. (A) is not correct, (R) is correct.