Chirongo chePET Chemichero Yakaomeswa Chivharo cheTii Chisimbiso Chirongo chePachena chepurasitiki chemasipi
Kurongedza zvipfuyo kwakachengeteka kuchikafu nekuda kwehunhu hwePET. Panyaya yehupenyu, PET haina simba. Izvi zvinoreva kuti haizokanganisi chikafu kana chinwiwa chaunoisa mairi. PET inodzivirirawo tupukanana. Inotenderwa kushandiswa sechikafu chinopakirwa pano muNew Zealand pamwe nemuUS, Europe, nepasi rese.
PET yave ichishandiswawo pakurongedza chikafu kwenguva yakareba - kwemakore anopfuura makumi matatu. Munguva iyi, bvunzo dzakakura dzakaitwa dzichiratidza kuchengetedzeka kwayo senzira yekurongedza chikafu.
PET purasitiki chinhu chakachengeteka chekurongedza chikafu nezvinwiwa zvakawanda. PET purasitiki yakachengeteka kuti zvisanganiswe nechikafu nezvinwiwa neUSA Food and Drug Administration (FDA) pamwe nevaya vanotonga zvakafanana pasi rese. Chimwe chezvinhu zvinonyanya kuomera veruzhinji inyaya yemakemikari anokonzerwa nezvinhu zvinobva mumabhodhoro epurasitiki. Sechikamu chekuongorora kwayo, FDA yakaongorora mashandiro anoita zvikamu zvepurasitiki nezvimwe zvinhu kusvika pahuwandu hwemvura mubhodhoro, uye mabhodhoro epurasitiki ePET anosangana nezvinodiwa zvekuchengetedza. Kuchengetedzeka kwemabhodhoro ePET ezvekudya, zvinwiwa, mishonga uye zvekurapa kwakaratidzwa kakawanda kuburikidza nezvidzidzo zvakavandudzwa, mvumo yemutemo, bvunzo uye kugamuchirwa kwakapararira.
