1, human factors
Human factors include psychological, physiological, harmful and behavioral factors. These factors are mainly related to people's physical and mental state, health status, working ability, operating skills, safety awareness and so on. , is one of the main causes of accidents and occupational diseases. Such as overload, abnormal health, psychological abnormality, recognition function defect, command error, etc. All belong to human factors.
2. Material factors
Physical factors include physical hazards and harmful factors, chemical hazards and harmful factors, biological hazards and harmful factors. These factors are mainly related to the equipment, tools and materials used in the production process, and are one of the main causes of accidents and occupational diseases.
Such as equipment defects, protective defects, electrical injuries, noise, vibration, radiation, open flames, high and low temperature substances, signal defects, mark defects, explosives, compressed and liquefied gases, flammable liquids and solids, oxidants and organic peroxides, toxic substances, radioactive substances, corrosive substances, dust and aerosols, pathogenic microorganisms, etc. It's all physical.
3. Environmental factors
Environmental factors include bad indoor working environment and bad natural environment. These factors are mainly related to ventilation, lighting, temperature and humidity, air quality and natural disasters in the workplace, and are one of the main causes of accidents and occupational diseases. For example, poor ventilation, insufficient or excessive light, too high or too low temperature, too high or too low humidity, air pollution, water pollution, soil pollution and so on.
4. Management factors
Management factors include imperfect management system or ineffective implementation, inadequate management measures or ineffective implementation, low management level or lax supervision. These factors are mainly related to the quality and effect of production organization and management, and are one of the main causes of accidents and occupational diseases. For example, safety education and training are insufficient, safety rules and regulations are not perfect or strictly enforced, and safety inspection is not timely and thorough.