Da yawajakunkunan makarantaana rufe ta da zik din, da zarar zik din ya lalace, gaba daya jakar ta goge.Sabili da haka, zaɓin zipper na al'ada shima yana ɗaya daga cikin mahimman bayanai.
Zipper ya ƙunshi haƙoran sarƙoƙi, ja da kai, tasha sama da ƙasa (gaba da baya) ko sassa na kullewa, daga cikinsu haƙoran sarkar ne sashin maɓalli, wanda kai tsaye ke tantance ƙarfin zik ɗin.
Don gane ingancin zippers, da farko duba ko hakoran sarkar suna daidaita daidai, ko akwai karyewar hakora, bacewar hakora, da sauransu, sannan a taba saman hakoran sarkar da hannunka don jin ko sun yi santsi.Yana da al'ada don jin santsi ba tare da muguwar bursu ba.Sa'an nan kuma ja da kai akai-akai don jin ko haɗin tsakanin shugaban ja da zik din yana da santsi.Bayan danne zik din, za a iya lankwasa wani bangare na zik din da karfin dan kadan, kuma ana iya ganin hakoran zik din suna da tsage yayin lankwasawa.Bayan duba tazarar haɗin kai tsakanin katin cirewa da ja kai, idan tazarar tana da girma, ja katin kuma ja kai tsakanin sauƙi don karyewa, rashin dacewa don amfani na gaba.
Rashin ingancin zik din yana da tasiri sosai akan amfani da kwarewar jakar, yana da sauƙi don samun matsaloli, irin su hakori, mask, fanko, sarkar fashewa da sauran matsalolin, don haka, ga ingancin jakar yana da kyau, ingancin zik din yana da kyau. .
Lokacin aikawa: Nov-01-2022
