·         Workplace hazard is a condition with the potential of causing injury to personnel, damage to equipment or structures, loss of material, or lessening of the ability to perform a described function in workplace such as factory, hospital, workshop, etc. When a hazard is present, the possibility exists of these adverse effects occurring.

·         Danger is expresses a relative exposure to a hazard. A hazard may be present, but there may be little danger because of the precautions taken. Damage is severity of injury or the physical, functional, or monetary loss that could result if control of hazard is lost. Safety is effort to control hazard. And risk is a combination of the likelihood of a particular outcome and the severity of the harm involved.