SYMBOLE FOR LEVEL FIELD BOOK

SYMBOLE FOR LEVEL  FIELD BOOK:


for line of calimation levle field book symbole
1.BAKE SIDE (B.S)
2.HIGHT OF INSTRUMENT(H.I)
3.INTER SIDE(I.S)
4.FORESIDE(F.S)
5.SEAREL NUMBER(S.N)
6.change point(c.p)
7.remarks

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