Refrigerant and other by-product gasses from exhaust can be dangerous to breathe in high concentrations, so move to a place where the air is clean such as outdoors
Burning materials, chemicals, and the gases created can cause smoke inhalation by simple asphyxiation (lack of oxygen), chemical irritation, chemical asphyxiation, or a combination of them
In the European Union, the Tobacco Products Directive requires health warnings to cover 65% of cigarette pack surfaces [1]Source: European Commission, Tobacco Products Directive Overview, ec.europa.eu
Combustion is the process of burning a substance in oxygen that will produce heat
This metaphor popped into my head at 3am to help explain When you light a match the value is seen in the flame