Polyeter, dzina lathunthu: Bureau ethylene terephthalate, ikayaka, lawi lamoto ndi lachikasu, pali utsi wambiri wakuda, ndipo fungo loyaka silili lalikulu. Pambuyo kuyaka, zonsezi zimakhala zolimba. Ndiwo omwe amagwiritsidwa ntchito kwambiri, otsika mtengo kwambiri, ...
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