PVC ndi kukhazikika

PVC yakhala ikuwukiridwa kwambiri kwa zaka zingapo, makamaka chifukwa chogwirizana ndi chemistry ya chlorine.Ena amatsutsa kuti chifukwa cha mgwirizanowu ndi wosakhazikika, ngakhale kuti zambiri za mkanganowu zakhala zikuyendetsedwa ndi maganizo m'malo mozikidwa pa kufufuza kwa sayansi.Komabe kukhalapo kwa klorini kumapereka mitundu ingapo yaukadaulo mu PVC yomwe imayisiyanitsa ndi ma polima ena ambiri.Zambiri mwazinthuzi ndizodziwika bwino komanso zolembedwa, ndipo mwina izi zimapangitsa kuti ikhale yosangalatsa polima kuphunzira molingana ndi kuthekera kwake kokhazikika.Ndiwokhazikika pakugwiritsa ntchito ndipo ndizovuta kuphwanya.Kulimbikira uku kwapangitsa kuti anthu ena ochita kampeni akhale chandamale, komabe ichi chikhoza kukhala chimodzi mwazamphamvu zake pakukhazikika kokhazikika.Lipoti lotsatirali likuwunika-pamaziko asayansi-zomwe kukhazikika kumatanthauza ku makampani a PVC ndi njira zofunika zomwe zingafunikire kuti apereke polima yokhazikika.Njira yowunikira yomwe yaperekedwa idakhazikitsidwa pamaziko a The Natural Step (TNS).Chikhazikitso cha TNS ndi zida zolimba komanso zozikidwa pa sayansi zomwe zimatanthawuza kukhazikika m'mawu osadziwika bwino komanso othandiza komanso kuthandiza mabungwe kuchitapo kanthu pazachitukuko chokhazikika.Makamaka, phunziroli limaphatikizapo mbiri yachitukuko chokhazikika chomwe chimatsogolera ku kafukufukuyu wokhudzana ndi ogulitsa ambiri aku UK.