In measurement of masonry activity, no deduction is made for ______.

In measurement of masonry activity, no deduction is made for ______..

1. the end of a beam with cross sectional area > 0.05 m2
2. wall plates exceeding 10 cm thickness
3. the end of purlin up to 0.05 m2               (Ans)
4. bed plates exceeding 10 cm thickness