Example for derived reading in levelling work is:

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Example for derived reading in levelling work is:

ARise and fall

BReduced level of benchmark

CBacksight

DForesight

Answer:

A. Rise and fall

Related Questions:

The use of an optical square is:

Size of a theodolite is specified by:

Which one is, in the following that does not have the object of levelling?

The curves used for drawing lines between points in a contour line is:

Trigonometric levelling is also called: