Haeba u rekela mokotla oa smartphone, khetho ea hau ea thepa hangata ke silicone, polycarbonate, polasetiki e thata, le thermoplastic polyurethane (TPU).Haeba u ntse u ipotsa hore na TPU ke eng, re tla e senya (ka pono).Thermoplastic ke eng?Joalokaha mohlomong u tseba, plas ...
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