If the staff at the station point is not held vertically, the R.L at the observation would be ______________

If the staff at the station point is not held vertically, the R.L at

1.	If the staff at the station point is not held vertically, the R.L at the observation would be ______________
A.	Less than true R.L
B.	Greater than true R.L
C.	Equal to the true R.L
D.	Two times the true R.L
Answer» D. Two times the true R.L