Master Engineering 🏗 on Instagram: "Carbon Tetrachloride Fire Extinguisher 🧯 Carbon tetrachloride was once a common extinguishing agent in fire extinguishers. It was effective at smothering flames and interfering with the combustion process. However, carbon tetrachloride is also a toxic substance that can cause serious health problems, including liver damage, kidney damage, and cancer. As a result, carbon tetrachloride fire extinguishers were banned in the United States in the 1970s and are no