Muri rusange, moteri igizwe ahanini nigice kimwe, ni ukuvuga igice cyumubiri, uburyo bubiri bwingenzi (uburyo bwo guhuza crank nuburyo bwa valve) hamwe na sisitemu eshanu zingenzi (sisitemu ya lisansi, sisitemu yo gufata no gusohora, sisitemu yo gukonjesha, sisitemu yo gusiga no gutangira Sisitemu). Muri bo, coo ...
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