In the rise and fall method of reduction of level, there is no check on:
ABack sight
BIntermediate sight
CForesight
DField work
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Related Questions:
Which one is, in the following that does not have the object of levelling?
Auxiliary theodolite station near an inaccessible main triangulation station:
Trigonometric levelling is also called:
Bad ranging is an example for
The effect of refraction is ---------- of that of the curvature