How does the builder pay off the line?

To be exact, paying-off is the work of the paying-off. In the process of building construction, the construction should be carried out according to the drawings, and the building should be set out to the designated location. Pay-off workers should not only be able to read drawings intensively, but also be skilled in using measuring tools such as "leveling theodolite plumber". You also need to have a serious work attitude.