Pali mitundu yosiyanasiyana ya zipper ndi mapangidwe osinthika mosalekeza pamsika, zomwe sizimangobweretsa moyo wa anthu mosavuta, komanso zimawonjezera zowunikira pazovala.Gulu la zipper silofanana, monga zakuthupi, mawonekedwe, kukoka mutu, kugwiritsa ntchito, kupanga, ndi zina ...
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