Did anyone else see the Sasquatch watching the surveyors from the woods at one minute and twenty three seconds into this?
@vidhyav86503 жыл бұрын
It comes under which type of cross staff
@nagarajtirumani47522 жыл бұрын
24-09-2022 Bangalore At present, perpendicular position is ensured by mere observation seen through the top of the eye hole. But there is no perfection by simple observation.!! It is prone to errors. This task needs improvement to ensure perfection. There could be oscillation of staff. Hence, possibility of error.