About 3 weeks ago on Oct. 1, I had visited Japan for 15 days as a participant of one of the programs organized by JSPS (Japan Society for the Promotion of Science). The program were held in The Department of Mechanical Engineering, Tokyo Metropolitan University. Participants of this program came from Indonesia (10 participants) Vietnam (2 Participants) and Australia (1 Participant). The Indonesia team consist of 4 faculty member from Faculty of Engineering, Universitas Indonesia (3 From Department of Metallurgical & Material Engineering and the other one from Department of Mechanical Engineering), 5 PhD Students (3 Students came from The Department of Mechanical Engineering,1 Student from Department of Chemical Engineering and the last one in from Department of Metallurgical & Material Engineering) and 1 Master Degree student from Department of Mechanical Engineering. The Participants from Vietnam came from Ha Noi University of Technology, The Only participant from Australia is a PhD student in University of Wollongong. So, these 13 persons were united under the JSPS Program.