7.Occupational_health程序.ppt

* The psychosocial hazards arise from the workers’ failure to adapt to an alien psychosocial environment. Frustration, lack of job satisfaction, insecurity, poor human relationships, emotional tension are some of the psychosocial factors which may damage both physical and mental health of the workers. Occupational hazards OTHER TYPES HAZARDS Psychological （社会心理学）hazards * The capacity to adapt to different working environments is influenced by many factors such as education, cultural background, family life, social habits and what the worker expects from employment. Occupational hazards OTHER TYPES HAZARDS Psychological hazards * The health effects of psychological hazards can be classified in two main categories v??Psychological behavioral changes – hostility (敌意), aggressiveness （攻击性）, anxiety （焦虑）, depression （挫败）, alcoholism （酗酒）, drug addiction （吸毒）, absenteeism （旷工）. Occupational hazards OTHER TYPES HAZARDS * * v??Psychosomatic （身心）illhealth – including fatigue, headache; pain in the shoulders, neck and back, hypertension （高血压）, heart disease and rapid aging. Occupational hazards OTHER TYPES HAZARDS * The increasing stress on automation, electronic operations and nuclear energy may introduce newer psychosocial health problems in industry. Psychosocial hazards are therefore assuming more importance than physical or chemical hazards. ? Occupational hazards OTHER TYPES HAZARDS * Occupational diseases Occupational hazards A Brief Review * Occupational diseases Occupational hazards Cause Result A Brief Review * Occupational diseases Occupational hazards A Brief Review * What is Occupational health ? Aim of occupational health ? Occupational hazards ? What is ergonomics ? DISCUSS * PHYSICAL HAZARDS ???Temperature - Heat / Cold ???? ? Light ???? Noise ??? Vibration ????? Ultraviolet radiation 紫外线 ???? Ionizing radiation 电离辐射 Occupational hazards * Heat Occupational hazards Heat is a com