An accident may be defined as an undesired event that results in harm to people, damage to property, or loss to process. On the contrary, safety is defined as freedom from accidents or the conditions of being safe from pain, injury, damage, or loss. So safety is to be considered first in all places. All operations involving hazardous substances or conditions Pose some risks of injury or damage due to Mechanical failure, Process upset, or human error. Safety is Possible only by knowing the causes of accidents and property guarding ourselves.