3.0 m and 1.5 m
1.5 m and 3.0 m
3.0 m and 3.0 m
1.5 m and 1.5 m
is always less than 1
is always greater than 1
can be more than 1
can be less than 1
about 0.1 N/mm2
zero
0.3 N/mm2 to 0.7 N/mm2
about 1.0 N/mm2
0.15% to 2%
0.8% to 4%
0.8% to 6%
0.8% to 8%
6 mm
8 mm
12 mm
16 mm