0.03
0.05
0.07
0.1
0.785 q/cu.m
7.85q/cu.m
78.5q/cu.m
785q/cu.m
Length x breadth x height
Section area x height
Perimeter
Perimeter x height
1% to 5%
5% to 10%
10% to 12%
10% to 15%