Kuyambira kupangidwa kwa pulasitiki chakumapeto kwa zaka za m'ma 1900 mpaka kukhazikitsidwa kwa Tupperware® m'zaka za m'ma 1940 mpaka kuzinthu zaposachedwa kwambiri pakupanga ma ketchup osavuta kuthira, pulasitiki yatenga gawo lofunika kwambiri pakuyika mayankho anzeru, kuthandiza ...
Ngakhale kuti msika wapakhomo wa PE sunayambe kutsika kwambiri mu April, monga momwe tawonetsera pa tebulo, kuchepa kwake kumakhala kofunikira.Mwachiwonekere, ulendo wooneka ngati wofooka ndi wachipwirikiti ndi wovutitsa kwambiri.Chidaliro ndi kuleza mtima kwa amalonda zikuchepa pang'onopang'ono.Pali zotsutsana ...
Mudzadabwa kuti matumba a zinyalala amagwiritsidwa ntchito kwambiri padziko lonse lapansi ndipo siatsopano.Matumba apulasitiki obiriwira omwe mumawawona tsiku lililonse amapangidwa ndi polyethylene.Adapangidwa mu 1950 ndi Harry Washrik ndi mnzake, Larry Hansen.Oyambitsa onsewa akuchokera ku Canada.Zachitika bwanji...
Nthawi zambiri timagwiritsa ntchito matumba apulasitiki ndipo pali mitundu yambiri yamatumba apulasitiki.Lero ndikudziwitsani kuti "chikwama cha vest, chomveka bwino" ndi chiyani.Maonekedwe a thumba la vest ali ngati vest.Chikwama chathu cha zovala ndi chokongola kwambiri ndipo mbali zonse ziwiri ndizokwera.Chikwama cha vest kwenikweni ndi ...
Chikwama choyikirapo chosawonongeka, tanthauzo lake ndi lonyozeka, koma zoyikapo zowonongeka zimagawidwa kukhala "zowonongeka" ndi "zowonongeka kwathunthu" mitundu iwiri.Thumba la pulasitiki losawonongeka ndi lopangidwa ndi udzu wa zomera ndi zina zochezeka kwa thupi la munthu ndi chilengedwe, zosiyana ...