Which of the following is an example of an engineering control?

An engineering control refers to modifications made to the environment or equipment to reduce hazards and minimize risks to workers. Guards on machinery serve as an excellent example of this because they provide a physical barrier between the worker and moving parts of the machine, effectively preventing accidental contact and potential injuries.

These guards are designed to eliminate hazards rather than relying on the behavior of individuals, which is a key characteristic of engineering controls. By implementing such safety features directly in the design of equipment, the risk of accidents is significantly lowered.

In contrast, safety training programs focus on educating workers, personal protective equipment emphasizes individual safety gear, and company policies govern workplace conduct, which are more aligned with administrative controls or personal safety measures rather than engineering solutions. Thus, guards on machinery stand out as a prime example of an engineering control aimed at enhancing workplace safety.