NOT KNOWN FACTUAL STATEMENTS ABOUT SMOKE 

The seen particulate subject in these smokes is most commonly made up of carbon (soot). Other particulates may be composed of drops of condensed tar, or good particles of ash. The presence of metals in the gas yields particles of metallic oxides. Particles of inorganic salts might also be shaped, e.g. ammonium sulfate, ammonium nitrate, or sodium c