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The following are the page of level book fill the missing reading and calculate the reduce level of all the point apply usual check.
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Point B.S I.S F.S rise Fall R.L Remark
1 3.150 X
2 1.770 X 0.700 X
3 2.220 X X
4 x 1.850 x X
5 2.440 0.010 X
6 x X 1.100 X
7 1.185 2.010 222.20
8 1.735 x X
9 x 1.685 0.505 X
10 1.525 0.805 …

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