During my time at Mahidol University. I have used a variety of methods in different research and analysis applications in the environmental work that may be harmful to employee. For example, using Excel to compare results in an increase of accidents of employee in each year. Using Microsoft word and Power point presentation for an overview of research and the importance of research. In addition, When I was working at Thai Engineering Ability, I offered advice on how to increase the security management in factories must comply with safety regulations.Control to improve security and eliminate the obstacles to the employee's working conditions.