How many types of occupational health examination are there?

Occupational health examination can be divided into six categories according to the occupational hazards exposed by workers: dust exposure, chemical exposure, physical exposure, biological exposure, radiation exposure and special operations. The items and cycles of occupational health examination shall be implemented in accordance with Technical Specification for Occupational Health Surveillance (GBZ 188), and the occupational health examination of radiation workers shall be implemented in accordance with Technical Specification for Occupational Health Surveillance of Radiation Workers (GBZ235). "Administrative Measures for Occupational Health Examination" Article 9 Occupational health examination institutions and their staff shall care for and protect the workers' right to know and personal privacy.