Maemong a mangata a ts'ebetso, haeba ka kakaretso u sebelisa mouoane, metsi, kapa mokelikeli o tloaelehileng, u ka khetha li-valve tse peli tsa tsela tse peli tsa motlakase, tse tsamaisoang ka letsoho le tse laoloang ke moea.Leha ho le joalo, haeba u kopana le likaroloana tse nang le likaroloana 'me u hloka ho khelosa le mecha e meng ea litaba, u lokela ho khetha moqapi o nang le sebopeho sa V ...
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