Rules of the Ministry of Standardize management and security management. Occupational health and the environment has to work on machinery and panchan 2552 (2009) boiler.
Regulations set standards for the administration and management of occupational safety and health in working environments on a crane machine and boiler 2552.
Ministerial set the standard in management and administration of safety, occupational health and environment in the work of machinery crane The radiator and the 2552.