Carbon monoxide etc. (with the chemical formula CO), the gas is caused by incomplete burning of carbon arise. This gas is very toxic, but the color and smell certain.

all fixtures and devices that burning something they have (such as a heater, gas or oil, a water heater, or even the engine of a car) somewhat production. the amount of this production to the conditions of combustion (burning) depends. the more the amount of oxygen during Burning is less than the greater part of the carbon, experiencing incomplete Susie can be instead of carbon dioxide (CO2) production.

people who are in a space enclosed exposed to inhalation of this gas will fall first, feel the relationship of brain and drowsiness are, and if that's faster, leave or breathe fresh air do not suffer from unconsciousness and, ultimately, choking.

to stay away from the dangers of this gas, which is constantly recommended for the heater gas homes, be sure of the chimney, cap, used.