1. Uburinzi bw’ibidukikije n’uguzigama inguvu: Amatara y’izuba ni inkomoko y’umuco, ivyo bikaba bigabanya umuyagankuba;
2. Umutekano: Ivyuma vy’amashanyarazi AC vy’amashanyarazi bizoba bifise ingorane z’umutekano ziterwa n’imice myinshi nk’uburyo bwo kwubaka, ugutembagazwa kw’ibikoresho vya mbere, n’indwara y’uburyo bwo gutanga amashanyarazi. Ariko amatara yo mu nzira y’izuba ntakoresha AC y’umuyagankuba amatara ni icemezo cane . Uburyo bwo gutanga amashanyarazi, rero burafise ikintu gikomeye cane co gukingira kandi gishobora kwiruhutsa;
3. Uburinzi bw’ibidukikije: Amatara y’izuba afise zero n’imishwarara, ivyo bikaba bihuye n’ubumenyi bwo kurinda ibidukikije bwo muri iki gihe;
4. Guhinduka: Kuri iyi ntambwe, uburyo bwinshi bwo gukora ibihimba vy’ingingo z’izuba bishobora gutuma ibiranga imyaka nka 10 bitagabanywa, kandi ibihimba vy’ingingo z’izuba bishobora gutanga umuyagankuba mu myaka 25 canke irenga;