What is hazard?
Definition :
A Hazard is a situation, condition, or object that has the potential to cause harm, loss, or damage to life, health, property, or the environment.
Note :
Hazards can be categorized into different types, such as :
Physical (e.g., earthquakes, floods),
Chemical (e.g., toxic substances, explosives),
Biological (e.g., pathogens, allergens),
Ergonomic (e.g., repetitive strain, poor posture), and
Psychosocial (e.g., stress, violence).
Example :
Oil on the floor or chemical products stored can potentially cause harm.

Image 1 - spilled oil on the floor.

Image 2 - Chemical products stored.