Lisebelisoa tsa rona tsa li-label tsa silevera tsa PET li na le likarolo tse ngata tsa bohlokoa tse e khethollang ho lihlahisoa tse ling 'marakeng. E 'ngoe ea litšoaneleho tsa eona tsa bohlokoa ka ho fetisisa ke ho hanyetsa ha eona ho lla, ho bolelang hore esita le maemong a khatello e phahameng, thepa ena e tla ema khahlanong le ho taboha le ho lula e tiile. Ho feta moo, e hanyetsana haholo le mocheso o phahameng le o tlase, ho netefatsa hore o tšoarella le ho sebetsa maemong ohle. Qetellong, e na le khanyetso e ikhethang ea ho bola ha lik'hemik'hale, ho netefatsa hore e lula e sebetsa le ha e pepesehetse li-acids le alkalis.

Ho Khamphani ea Donglai, rea utloisisa hore moreki e mong le e mong o na le litlhoko le litlhoko tse ikhethang tse hlokang ho khotsofatsoa. Ke ka lebaka leo re fanang ka likhetho tsa ho itlhophisa ho netefatsa hore lisebelisoa tsa rona tse ikgomaretsang li fihlela litlhoko tsa hau tse ikhethileng, ekaba boholo, sebopeho, kapa thepa ea leibole. Lisebelisoa tsa rona tsa silevera tsa PET tse ikemetseng li loketse tlhahiso ea mefuta e fapaneng ea li-labels tse tšoarellang, tse ling tsa tsona li tiisitsoe ke UL ho thusa ho netefatsa polokeho le ts'epo ho mefuta e mengata ea liindasteri.

Hore na o batla thepa e ikgomaretsang bakeng sa ts'ebeliso ea hau hang kapa e le karolo ea odara e kholoanyane ea indasteri, Khamphani ea Donglai e teng ho fihlela litlhoko tsa hau. Ka boikhethelo ba rona ba boitseanape le boikhethelo, re ka u fa tharollo e lokiselitsoeng e fihlelang litlhoko tsa hau tse ikhethileng, e leng se etsang hore re khethoe bakeng sa lihlahisoa tsa thepa e ikemetseng. Rea leboha ka ho khetha Khamphani ea Donglai, 'me re labalabela ho u fa litšebeletso le lihlahisoa tse ikhethang.