Kukhazikika
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Kodi mumadziwa?
Kodi Mukudziwa? Mu 1950 dziko lonse linkapanga matani 2 miliyoni okha a pulasitiki pachaka. Pofika mu 2015, tinapanga matani 381 miliyoni, zomwe zikuwonjezera nthawi 20, Phukusi la Pulasitiki ndi vuto padziko lapansi... ...Werengani zambiri -
Tonchant–Chikwama cha tiyi cha ulusi wa chimanga wa PLA
Tonchant--Thumba la tiyi la PLA biological corn fiber Gulu la kafukufuku ndi chitukuko la Tonchant lapanga zipangizo za thumba la tiyi pogwiritsa ntchito biopolymer polylactic acid (PLA). Ulusi wathu wa chimanga (PLA) ndi wobwezerezedwanso, wovomerezeka...Werengani zambiri