Tsis muaj tshuaj lom, tsis muaj kua nplaum, tsis yog kov tsim, muaj kev nyab xeeb heev rau kev siv, tsis tas yuav txhawj txog ntiv tes clamping
Yooj yim rau siv thiab teeb tsa, tsuas yog muab ib lub tais tso rau hauv lub khob thiab muab tso rau hauv lub tais rov qab, khaws cov cuab yeej nas khawm qhib, koj tuaj yeem tso cov cuab yeej rau sab nraum zoov thiab sab hauv tsev.
Cov yas nas clip muaj lub zog, muaj peev xwm ntes tau yooj yim nrog cov pedals rhiab thiab tshwj xeeb tsim cov hniav kom ntes nas txhua lub sijhawm, thiab tus neeg siv tus qauv tsim kom ntseeg tau tias cov nas raug tua sai thiab raug kev txom nyem tsawg.
