I also would like to thanks a chair of the Examinations Committee, Lect. Smitti Darakorn Na Ayuthaya, Ph.D., and member of the Examinations Committee, Asst. Prof. Kairoek Choeychuen, Ph.D., Professor of the Faculty of Engineering, Rajamangala University of Technology Rattanakosin. For taking the time to consider the valuable substances thematic paper with practical advice, to thematic paper completed.