Whether or not crossing an equipotential line represents ascending or descending the opportunity is inferred through the labels on the costs. In 3 dimensions, equipotential surfaces could possibly be depicted by using a two dimensional cross-area, displaying equipotential traces on the intersection from the surfaces as well as the cross-area. https://contoursurveyinbangladesh99516.dreamyblogs.com/32513737/contour-survey-in-dhaka-for-dummies