I have studied environment and occupational health in university and have about 3 years experience related occupational health and safety. As I studied industrial health at university, I am able to see both health and safety hazards. After the graduation, joining Korea Occupational Safety and Health Agency, KOSHA, helped to learn regulations related of occupational health and safety. In Hyundai Heavy Indusries, HHI, by doing risk assessment and safety tours, I have become capable of finding hazardous substances at work and its health effects, assessment of work environment, such as ventilation, noise, P.P.E., protective devices, and systems, and ergonomical improvement of work, especially at shipyards or off-shore.