Poisoning by dangerous gases are far too many. If we are careful enough, there is no need to worry. The most common gas poisonings that cause toxicity in our daily life are carbon monoxide but there many others. Depending on its concentration in the air, they can cause cardiac and pulmonary disorders, behavioral disturbance, central nervous system involvement and movement and vision disorders, headache, fatigue, coma, breathlessness and even death. They are particularly dangerous in enclosed spaces where its presence is difficult to perceive as most are colorless, tasteless, and odorless. This training will help the employee understand where they come from and how to prevent and eliminate exposure.