Launch the clamp screw from the instrument, keep the instrument in the best hand, and correct it within the tripod by rotating only the lessen section Together with the remaining hand. Tighten the screws of the instrument firmly. Shut Spacing: When contour traces are closely packed, it signifies a steep https://contoursurveyinbangladesh27160.blogdon.net/contour-survey-an-overview-48378304