April 3, 2008 - Polymers and Resins..... X ............... ............... LLL....................... Portland Cement Manufacturing X ............... ............... Industry. MMM....................... Pesticide Active Ingredient X ............... ............... Production. NNN....................... Wool Fiberglass Manufacturing.... X ............... ............... OOO....................... Manufacture of Amino/Phenolic X ............... ............... Resins. PPP.......................