Question

extension line and out line ke bich kitna gap hota hai​

Answer 1

Answer:

It is recommended that a gap of about 2 mm should be kept between the extension line and an outline. Explanation: It is recommended that a gap of about 1 mm should be kept between the extension line and an outline or object boundary by the B.I.S. It extends by about 3 mm beyond the dimension line. 8.