... thank the staff members at Post Graduate Studies Department, University of Languages and International Studies, Vietnam National University - Hanoi for supplying me with valuable knowledge, experience, ... thanks go to the English teachers at the Faculty of Foreign Languages, Hanoi University of Technology for providing me with the valuable knowledge of English, especially English for Mechanical ... ACKNOWLEDGEMENTSFirst of all, I would like to express my sincere gratitude towards my supervisor, Dr. Le Hung Tien for providing me with precious lectures, valuable guidance, and constructive criticism.I...