Unyolo anawona awiri sitiroko mphamvu, ntchito mphamvu, kudula zida ayenera kulabadira, akhoza kuonetsetsa ntchito yachibadwa makina: injini awiri sitiroko injini, mafuta ntchito hybrid petulo ndi mafuta, chiŵerengero mafuta osakaniza: awiri sitiroko mafuta injini mafuta: wapadera = 1:50 (mafuta wamba mafuta: = 1:25).Tipatseni mafuta...
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