Sharaxaad Gaaban:

1, IC chip dijitaal ah, oo diyaar u ah 99% Taleefan casri ah oo nooca C ah.
2, Naqshad asal ah oo badh dhegta ah, jilicsan oo raaxo leh in la xidho oo la isticmaalo.
3, Af-hayeenka giraanta naxaasta ah iyo diaphragm badan oo loogu talagalay codka saafiga ah.
4，Xakamaynta fog, garaac/dami, heesta ugu dambeysa iyo tan xigta, mugga kor/hoos u dhig, ku habboon in la hagaajiyo.