A na-ejikarị ya na polymester resin, resin resin, mmiri soluble resin, mmiri soluble resin, mmiri soluble metabisite (Totm), epoxy resin na-akụzi na ngwaahịa ndị ọzọ.
A ga-ejikwa mmanụ dị elu na-arị elu na mmanụ dị elu na-etinye mmanụ, na-eme ka ọ bụrụ mmanụ ọkụ, na-akụ ụtarị, wepu anwụrụ ọkụ, wdg.