Isikhwama se-zipper sokuvala esinezinhlangothi ezintathu singabhekwa njengohlobo lwesikhwama se-aluminium foil sokuvala esinezinhlangothi ezintathu. Ngokusekelwe ekuvalelweni kwezinhlangothi ezintathu, kufakwa i-zipper ezivalayo emlonyeni wesikhwama. . I-zipper enjalo ingavulwa futhi ivalwe izikhathi eziningi futhi ingasetshenziswa izikhathi eziningi. Lolu hlobo lokupakisha lufaneleka kakhulu uma usayizi wesikhwama mkhulu kancane, futhi imikhiqizo esesikhwameni ayikwazi ukusetshenziswa ngesikhathi esisodwa.
Isibonelo, izithelo ezomisiwe, amantongomane, izinongo ezomile, ukudla okumpuphu, kanye nokudla okungadliwa ngesikhathi esisodwa kusetshenziswa kakhulu ezikhwameni zokupakisha zepulasitiki ezineziphu noma ezikhwameni zokupakisha zepulasitiki ezinamathelayo ezineglue. Izikhwama zokupakisha zokudla ezineziphu kanye nezikhwama zokupakisha zepulasitiki ezinamathelayo ziyizikhwama zokupakisha zepulasitiki ezinjalo. Ngemva kokuba isikhwama sivuliwe, singavalwa kabili. Nakuba singenakukwazi ukufeza umphumela wokuvala kokuqala, singasetshenziswa njengesici esivikela umswakama nsuku zonke futhi esingangeni uthuli esikhathini esifushane. Kusengenzeka.
Isikhwama se-zipper sokuvala esinezinhlangothi ezintathu singasetshenziswa ngabathengi kakhulu, futhi sibiza kancane kunesikhwama se-aluminium foil sokuvala esinezinhlangothi ezintathu, kodwa sithandwa kakhulu emphakathini ngenxa yokusebenza kwaso okulula kanye nokulula kwaso. Kukhona nezinketho eziningi uma kukhulunywa ngokwenza ngokwezifiso izikhwama.
Ukuvalwa kwe-zipper okuphinda kuvalwe
Kusobala ukuze kuboniswe imikhiqizo esikhwameni
Yonke imikhiqizo ihlolwa ngokuphoqelekile ngelebhu ye-QA yanamuhla futhi ithola isitifiketi selungelo lobunikazi.