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 ...
Chaka Chatsopano cha China chikuyandikira, ndipo kampaniyo idzakhala ndi tchuthi chovomerezeka pa February 7, 2021, ndikuyamba ntchito pa February 18, 2021. Phwando la Spring ndilo chikondwerero chofunika kwambiri ku China, chomwe chimatanthauza kuyanjananso, ...
Thermoplastic elastomer, yotchedwa TPE kapena TPR, ndi chidule cha mphira wa Thermoplastic.Ndi mtundu wa elastomer umene uli ndi elasticity ya mphira kutentha firiji ndipo akhoza pulasitiki ndi kuumbidwa pa kutentha kwambiri.Chifukwa chake, thermoplastic elastomer ili ndi ...
Kanema wa Cast ndi mtundu wa filimu yosatambasulidwa, yosalunjika yokhotakhota yopangidwa ndi kusungunula ndikuzimitsa.Pali njira ziwiri zakusanjikiza malovu osanjikizana limodzi ndi kusanjikizana malovu kosiyanasiyana.Poyerekeza ndi filimu yowombedwa, imadziwika ndi kuthamanga kwachangu, ...
