1. Unreasonable labor organization and system, unreasonable work and rest system, etc.
2. Mental (psychological) occupational stress, such as motor vehicle driving;
3. Excessive labor intensity or improper production quotas, such as the arranged homework is not suitable for physiological conditions;
4. Excessive tension in individual organs or systems, such as visual tension and vocal organs;
5. Being in bad posture, posture or using unreasonable tools for a long time;
6. Bad lifestyle, such as smoking or drinking; Lack of physical exercise; Individuals lack the concept of health and prevention, violate the safety operation norms and neglect self-care.
Harmful factors in the production environment
1. Factors in natural environment, such as solar radiation in hot season, low pressure in plateau environment, high temperature and high humidity in deep wells, etc.
2. The factory building or layout is unreasonable and does not meet the occupational health standards, such as poor ventilation, insufficient lighting, and toxic and non-toxic workshops arranged in one workshop;
3. Environmental pollution caused by unreasonable production process or improper management.