Mugihe uhisemo kubyara, ugomba gutekereza kubintu byinshi byingenzi.Ikintu cya mbere ugomba gusuzuma ni umutwaro umutwaro ushobora gutwara.Hariho ubwoko bubiri bw'imizigo.-Umutwaro wa axial: ugereranije nu murongo wo kuzunguruka -Umutwaro wa radiyo: perpendicular kuri axis ya rotation Eac ...
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