What is the pre-job occupational health examination for employees who are exposed to occupational hazards?

Health examination before, during and after work. According to the provisions of the Law on the Prevention and Control of Occupational Diseases, it is known that employees who are transferred to operations exposed to occupational hazards should undergo health examinations before taking up their posts, during their posts and after leaving their posts. The purpose of pre-job occupational health examination is to master the health status of workers and find occupational taboos. Occupational disease refers to the diseases caused by workers in enterprises, institutions and individual economic organizations who are exposed to dust, radioactive substances and other toxic and harmful substances in their professional activities.