In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to

Ease of reduction of observations

Minimum effect of careless holding on the result

In tacheometrical observations, vertical staff holding is generally pr

1.	In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to
A.	Ease of reduction of observations
B.	Facility of holding
C.	Minimum effect of careless holding on the result
D.	None of these
Answer» D. None of these