Most instruments screw onto a tripod when in use. Tape measures are sometimes employed for measurement of scaled-down distances. 3D scanners and several sorts of aerial imagery also are utilised. Thirty decades ago, GPS technological innovation was released into the survey globe—but only for those who could spend tens of https://aresmartscalesaccurate77665.ageeksblog.com/29865354/a-simple-key-for-land-survey-professionals-bd-unveiled