Zafafan sayar da kofa na asibiti bakin karfe kofa na zamiya kofa

Littafin kariya na radiation kofa biyu mara daidaito kofa biyu ne, wanda ya ƙunshi ƴaƴan kofa (karamar kofa) da kuma faɗin kofa (babbar kofa) ƙofar gaba ɗaya ta fi kyau.Lokacin da ɗakin ya fi girma gabaɗaya, don yanayin bayyanar ƙofar gabaɗaya, an ƙera ƙofar zuwa babba da ƙarami.Lokacin da faɗin kofa ya fi girman nisa na yau da kullun na kofa ɗaya (800-1000mm), kuma ƙasa da faɗin faɗin ƙofar biyu (2000-4000mm), zaku iya amfani da nau'in kofa.