1.

The difference between the last reduced level and the first reduced level is equal to _____.

A. difference between the sum of back sights and intermediate sights
B. difference between the sum of back sights and reduced level of benchmark
C. difference between the sum of back sights and foresights
D. difference between the sum of back sights and height of instrument
Answer» D. difference between the sum of back sights and height of instrument


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