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Dziwani momwe mathireyi a CPET amapangira kuchokera ku PET resin kudzera mu sheet extrusion, thermoforming, controlled crystallization, trimming ndi kuwunika kwabwino, ndikuphunzira chifukwa chake njirayi imapanga ma CD olimba a chakudya kuchokera mufiriji kupita mu uvuni.
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Kodi mungathedi kuyika mathireyi a aluminiyamu mu uvuni? Anthu ambiri sakudziwa ngati ndi otetezeka kapena oopsa. Nkhaniyi ikuthetsa chisokonezochi ndikugawana zomwe muyenera kupewa. Muphunzira zoyenera kuchita ndi zomwe simuyenera kuchita, malangizo achitetezo, komanso momwe aluminiyamu imafananira ndi mathireyi a CPET ndi PP.