2.2 Environmental impact a Physical factor Noise, vibration, temperature, lighting, wind, etc B Chemical factor Explosive substances, corrosive substances flammable liquids toxic chemicals, etc. Biological factor Bacteria, mold, viruses, plants, etc
Physical factor C Biological factor B Chemical factor 2.2 Environmental impact Noise, vibration, temperature, lighting, wind, etc. Explosive substances, corrosive substances, flammable liquids, toxic chemicals, etc. Bacteria, mold, viruses, plants, etc
3. The cause of accident causation 1) The cause of accidents is the product of a certain level of productivity development. 2) The accident cause theory is an accident mechanism and an accident model extracted from the analysis of the essential causes of a large number of typical accidents
3. The cause of accident causation 1） The cause of accidents is the product of a certain level of productivity development. 2）The accident cause theory is an accident mechanism and an accident model extracted from the analysis of the essential causes of a large number of typical accidents