2. An haramta sosai don amfani da simintin ƙarfe ko simintin ƙarfe. Za'a iya ƙirƙira jikin dunƙulewa da ƙarfe da aka kashe, kuma ana iya yin mashin ɗin mashin bayan ƙirƙira daga kayan mashaya.
3. Thedauribai kamata a tono ko walda don gyara ba. Bayan ƙulle jikin da fil ɗin sun lalace na dindindin, ba a yarda da gyara ba.
4. A lokacin da ake amfani da shi, duba jikin huji da kuma makullin, da kuma guje wa m sarewa, nakasassu da bugun fata.
5. Lokacin da ake amfani da shi, dole ne a sanya bayanan kwance zuwa tashin hankali, kuma dole ne a saka PIN PIN tare da PIN mai aminci.
6. Bayan an tattara alamar PIN daidai, fadin gawar mai buɗaɗɗiyar ƙasa dole ne a rage shi sosai, kuma haɗin haɗin gwiwa yana da kyau.
7. Amfani dashagalaba zai wuce madaidaicin nauyin da aka ƙayyade ba.
