HELPING THE OTHERS REALIZE THE ADVANTAGES OF SMOKE 

The seen particulate make a difference in these smokes is most often made up of carbon (soot). Other particulates could possibly be made up of drops of condensed tar, or strong particles of ash. The existence of metals in the fuel yields particles of steel oxides. Particles of inorganic salts may be formed, e.g. ammonium sulfate, ammonium nitrate,