12) What is the name of the process of putting the plane table with some fixed direction so that the line representing a particular direction on the plan is parallel to the direction on the ground?

13) What is the colour of compound walls?

14) Which place the plane table set up for prepare a road map?

15) What is the colouring building benchmark?

16) What is the method with three known object points and its plotted position on the drawing sheet are taken for solving the problem?