Akwai nau'o'in amfani daban-daban na kwalban da ba a rufe iska, kuma ana amfani da su a cikin microwaves, adanawa, firiji, da daskarewa a rayuwa.Kuma ya dace don adana kowane nau'in kayan kwalliya, kayan wasa, abinci, kayan yaji, ƙananan kayan aiki da sauransu.Don haka, kun san abin da kwalban da aka rufe suke ...
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