Monga chimodzi mwazinthu zapulasitiki, PP (polypropylene) ili ndi zotulutsa zazikulu komanso zotsika mtengo.Panthawi imodzimodziyo, ili ndi katundu wabwino kwambiri, kukhazikika kwa mankhwala, ndi kuumba kwabwino komanso kukonza zinthu.Komabe, zofooka za PP, monga mphamvu zochepa, kutentha kwapang'onopang'ono ...
Werengani zambiri