Impamvu
1. Icyuma cyambukiranya ntigikarishye kandi icyuma cyambukiranya kimwe ntikirenga-hejuru.
2. Ingingo yo hagati yimyitozo hamwe na shank yibanze ntabwo yujuje ibisabwa.
3. Imashini iri kumiterere ya spindle itari yo.
4. Gutunganya ikibaho (artifact) biri kugenda.
5. Kuzunguruka kuzunguruka no gukata umuvuduko ntabwo bihuye.
6. Adaptor yibanze cyane kandi andi makuru ya tekiniki ntabwo agera kubisanzwe.
Impamvu
1. Ingingo yo hagati na shank ni ukudahuza, cyangwa ingingo yo hagati ntabwo ityaye.
2. Ibihangano biri kugenda mugihe cyo gucukura.
3. Kuzunguruka kuzunguruka hamwe nigikoresho cyo kugaburira ibikoresho ntabwo bihuye.
4. Adapter yibanze cyane kandi andi makuru ya tekiniki ntabwo agera kubisanzwe.
5. Uruziga rw'imashini irambirana irekuye cyangwa yangiritse.
Impamvu:
1. Inkombe yicyuma ntabwo ityaye, biti ya drill igomba gusimburwa.
2. Spiral groove (chip groove) nubucucike buzatuma gukuramo chip nabi.
3. Artifact (material) nubushuhe burenze imipaka cyangwa ubwiza bwa kole ntabwo ari bwiza (cyane cyane ikibaho cya fibre na pani).
4. Igikoresho cyo kugaburira ibikoresho ntabwo gihuye nibikoresho hamwe nubujyakuzimu.
5. Hitamo ubwoko bwimyitozo ikwiye kubikoresho byo gutunganya.
