Which of the following actions DOES NOT help in controlling environmental hazards in a school setting?

Frostbite, an injury caused by freezing of the skin and underlying tissues, is caused by a:

Continuous exposure to high intensity sound levels over a prolonged period can result in permanent hearing impairment due to:

Long-term inhalation exposure to indoor air pollutants, such as smoke released from burning biomass fuels in poorly ventilated kitchens, significantly increases the risk of developing: