Cov menyuam yaus ceev ntawm qhib zeb qhib txawv raws li lub tshuab qauv thiab daim ntawv thov.
Feem ntau, cov menyuam cov roj ceev ntawm cov zeb me me yuav yog hais txog kev kuaj mob xws li, kom tus neeg teb xov tooj tuaj yeem ua tib zoo saib xyuas qhov xwm txheej sib xyaw.
Rau kev tsim khoom lag luam, cov menyuam yaus ceev tuaj yeem ncav cuag 20-30 rpm lossis li, xws li, xws li, xws li, xws li, xws li, xws li muaj kev ua tau zoo tib lub sijhawm, txhim kho ntau lawm.
