In this zone, the gas from a combustion reaction is working with hot coals are burning is causing a climate of strong reaction as carbon dioxide and hydrogen.
In this zone, some of the gas to flow into the combustion react with hot coal burning is causing the reaction is converted into solid carbon monoxide and hydrogen.
In this zone the gas is flowing into some from combustion reaction with hot charcoal burning อยู่ก่ cause reaction conversion of solid carbon monoxide and hydrogen.