Otu esi ekpe ikpe opp,cpp,bopp,VMopp,biko lelee ndị a. PP bụ aha polypropylene. Dị ka ihe onwunwe na ebumnuche nke ojiji, e kere ụdị PP dị iche iche. A na-atụba ihe nkiri CPP ihe nkiri polypropylene, nke a makwaara dị ka ihe nkiri polypropylene na-agbasaghị, nke enwere ike kewaa n'ime CPP n'ozuzu (Ge ...
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