The road gets long sometimes. Longer than the white lines stretching ahead. Longer than the hours since your last real sleep. You sit behind the wheel, night pressing in on all sides, and you start to feel like the last man left alive.But then you turn the dial.And there it is — that sound.And suddenly, you're not alone anymore.It’s The RoyElvi

The expression 'chainman' derives from earlier utilization of measuring chains. An assistant would transfer the significantly conclude from the chain beneath the surveyor's course.A surveyor very first has to know the horizontal distance in between two from the objects, referred to as the baseline. Then the heights, distances and angular position o