Kuvanga ni inzira y'imyenda aho ubwoko butandukanye bw'imyenda buhuzwa mu buryo bwihariye. Bushobora gukorwa mu ruvange rw'imyenda myinshi, ubwoko butandukanye bw'imyenda isanzwe, cyangwa byombi. Kubwibyo, iyo bigeze ku kuvanga, tugomba kuvuga imyenda myinshi ikoreshwa cyane. Nyamuneka reba imyenda isanzwe kugira ngo umenye ibisobanuro birambuye. Nk'uko alloys ziri mu nganda zikora ibyuma, kuvanga imyenda itandukanye birushaho kwangirika neza kandi bigabanya cyane ikiguzi cy'ibikoresho fatizo.
Ibisobanuro by'ibicuruzwa:
- Uburemere 275GM
- Ubugari 58/59”
- Spe 100S/2*56S/1
- Tekiniki Iboshye
- Umubare w'Igikoresho W19502
- Gupakira ipaki
- Imiterere W50 P49.5 AS0.5
- MOQ Umuzingo umwe w'ibara rimwe