The old proverb that "an ounce of prevention is better than a pound of cure" holds true for workplace accidents. It is much better to prevent an adverse event from happening than to try to fix the damage after it has already happened.
While it's impossible for employers to predict every single accident, it is their duty to anticipate that accidents will happen and put control measures in place to prevent them or lessen the damage they cause. They have a legal obligation to comply with the laws, standard practices, and safety
observations to avoid emergencies and accidents.
Many accidents occur due to human factors, such as:
Lack of knowledge