एक समतुल्य (समान-क्षेत्रफल) प्रतिनिधित्व प्राप्त करने के लिए मानचित्र अनुमानों (map projections) या भूगणितीय सर्वेक्षणों में निम्नलिखित में से कौन सा सुधार लागू किया जाना चाहिए?

In survey work using a total station with reflector measurements, which of the following sequence of temporary adjustments must be performed at a station?

While carrying out a total station survey on one bank of a 250 m wide river, it is necessary to plot electric transmission posts on the opposite bank. No provision exists for crossing the river and the posts are inaccessible. In which mode should the survey work be done?