cellulose(The main polysaccharide in living plants, forming the skeletal structure of the plant cell wall; a polymer of beta-D-glucose linked together with the elimination of water to form chains of 2000-4000 units)
fly ash(Finely divided particles of ash that are entrained in flue gases resulting from the combustion of fuel or other material. The particles of ash may contain incompletely burned fuel and other pollutants)