Final answer:
A health safety committee should be established in workplaces to ensure the safety of workers and prevent health hazards.
Step-by-step explanation:
A health safety committee should be established in workplaces to ensure the safety of workers and prevent health hazards. It is important to establish a health safety committee when there is a need to identify and address potential risks, implement safety protocols, and monitor compliance with health and safety regulations. This committee is responsible for promoting a safe and healthy work environment, conducting risk assessments, conducting regular inspections, and making recommendations for improvements.