What is a critical precaution when handling CO₂ extinguishers?

Wearing protective clothing and gear while handling CO₂ extinguishers is crucial because these extinguishers release carbon dioxide, which can displace oxygen in the air, creating an asphyxiation hazard in confined spaces. The cold discharge from a CO₂ extinguisher can also cause frostbite if it comes into contact with skin, due to the extreme low temperature of the gas as it is expelled.

Hence, appropriate protective gear, such as gloves and goggles, helps to safeguard against these potential hazards. It also prepares the individual to handle any unexpected situations that may arise while using the extinguisher. Understanding the risks associated with CO₂ use reinforces the importance of personal safety equipment in ensuring effective and safe fire response.