IBIKORWA BY'IKORANABUHANGA:
1.Ibice byiza byiza byimashini iboha.
2.Ibikorwa byumwuga muriki gice birenze imyaka 20.
3. Serivisi nziza nyuma yo kugurisha.
Imashini nto ihuza isi nini
Kwihuta
Gukomera cyane
Ingwate nyayo
Kurwanya ruswa
Nta ngese
Nta mwanda
Inzira nziza
1. Igenzura ryinjira
2. Gutunganya no gutanga umusaruro
3. Igenzura rya mbere
4. Ikizamini gikomeye
5. Ikizamini cya Torsion
6. Gupima amashusho
7. Ikizamini cyo gutera umunyu
8. Guhitamo inenge
9. Gutondeka neza
10. Kugenzura mbere yo gupakira
11. Ibarura ryububiko
12. Kohereza