polar systempolaritypolarizedpolarized lightpolicartpolicart mpolifilmpolimetalpolishpolishedpolished threadpolishingpolishing machinepolitrixpolo clothpoly azopoly formaldehydepoly glycinepoly golpoly vinyl acetatepoly vinyl alcoholpoly vinyl fluoridepoly vinylidene chloridepolyacrylonitrilepolyadditionpolyallomerpolyamidepolyamino triazolestpolyblendpolychialpolychromaticpolycondensationpolycondensation dyepolycrestpolycromatic dyeingpolycronpolydisersepolyester fibrepolyester plasticizerpolyester resinpolyesteretherpolyesters intermediatepolyethylenepolyfenpolyfunctionalpolyhydrazidepolymerpolymer chain stiffeningpolymer degradationpolymer homologue
