In the context of heavy machinery operation, what distinguishes a 'hazard' from a 'risk'?

In the context of heavy machinery operation, a 'hazard' is a potential source of harm or adverse health effect to a person or persons, while 'risk' is the probability that the hazard will cause harm and the severity of that harm. A hazard is the inherent dangerous property or condition, while risk is the measure of the likelihood and consequence of exposure to that hazard. A hazard is a static potential for harm, ....