During the history of civilization in human being, the luster of wisdoms flashed from time to time. Although a great many of the classical works on construction get lost as the time goes by, the remaining volumes and drawings are very precious for they records unique scientific methods of variety, wich greatly accelerate the development of construction and research. These remaining works are now compiled into a masterpiece called Guidelines. Under its guidance, the progress of construction and research can be handsomely improved and make the relative problems easy to solve.
Click the icon Speed Up in building which under construction, then use item Beginner Guidelines.
Apply Beginner Guidelines