Zhifeng Xu yettwasken-d ɣef usmel Awarded Design s wayen i d-yewwi: 1 n ufeṣṣel i yewwin arraz, deg taɣulin: Afeṣṣel n Iferrasen n Ubrid.
Ifeṣṣilen sɣur Zhifeng Xu
Afeṣṣel n Iferrasen n Ubrid SSS Litter Bin Outdoor Trash Classification sɣur Zhifeng Xu
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Anfet i umaḍal ad iwali leqdic-nnwen. Sifeḍt afeṣṣel-nnwen i wakken ad yettwali ma izmer ad d-iban ɣef usmel Awarded Design.
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