test #1 hours 0.00 0.50 1.50 2.00 2.75 3 25 3.25 3.75 4.25
re‐test hours 0.00 1.00 1.50 2.00 2.50
cm 9.50 9.51 10.08 10.19 14.00 15 50 15.50 17.80 18.50 collapses
cm 9.80 11.00 12.60 15.00 17.20 collapses
20.00 20 00
20.00
18.00
18.00
16.00
16.00
14.00
14 00 14.00
12.00
12.00
re‐ test rising
10.00
10.00
rising
8.00
8.00 6.00
6 00 6.00
4.00
4.00
2.00
2.00
0.00
0.00 0 00 0.00
1 00 1.00
2 00 2.00
3 00 3.00
4 00 4.00
5 00 5.00
0.00
0.50
1.00
1.50
2.00
2.50
3.00
