Icyuma gifunze ibyuma bifunga inzira yo gukomeretsa Muri make ibisobanuro byukuntu imipira yumupira isohoka mu nganda zikora amarembo?
Inzira ifunze ibyuma bifunga ibyuma bikomye inzira Muri make ibisobanuro byukuntu imipira yumupira isohoka mu nganda zikora amarembo? Mu mashanyarazi y’amashyanyarazi, porogaramu ya sisitemu y’ibikoresho bya peteroli, ingufu n’inganda zikoresha amazi menshi ya viscous fluid, hamwe na soot na parti ikomeye ...
reba ibisobanuro birambuye