| A | B |
| Accident | an unexpected event that results in injury to an employee, illness or damage to property. |
| Hazard | a condition with the potential to cause injury. |
| Electrical, Chemical, Mechanical & Environmental | the four types of hazards. |
| Electrical Hazards | electricity provides the power for most machinery, tools, heat, and light, these hazards are everywhere in the plants. |
| Chemical Hazards | Flammable, explosive, toxic and corrosive chemicals all present hazards. |
| Mechanical Hazards | moving parts, gears, in-process work and material handling can all be dangerous. |
| Environmental Hazards | Extreme heat and cold, high humidity, excessive noise and vibration, and exposure to radiation are all examples of environmental hazards. |
| Inhalation | the most common way toxic substances enter the body, 90%. |
| Absorption | the sencond most common methon toxic substances enter the body. |
| Ingestion | the third most common way toxic substances enter the body. |