A metallic tape is made of ____?
A. cloth and wires
B. linen
C. steel
D. invar
Abdul Jabbar
If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is ___ ?
A. 75 m
B. 50
C. 7.5 m
D. 25 m