Unyolo wodzigudubuza umagwira ntchito yofunika kwambiri m'mafakitale ambiri, kuphatikiza kupanga, ulimi ndi zoyendera.Amadziwika kuti ndi odalirika, okhazikika komanso osinthasintha.Nthawi zambiri, maunyolo odzigudubuza amagwiritsidwa ntchito kutumiza mphamvu kuchokera ku shaft imodzi kupita ku ina, kuwapanga kukhala gawo lofunikira la ...
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