Yog hais tias lub tsheb tshiab ua rau lub suab nrov "squeaky" thaum braking, nws yog ib qho tseem ceeb vim hais tias cov nres nres tshiab yuav tsum muaj qee lub sij hawm tawg. Qhov no yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nws, nws yog qhov yuav tsum tau ua tib zoo saib xyuas kev sib xyaw ntawm cov khoom sib xyaw. Txawm li cas los xij, lwm yam xwm txheej, xws li lub log tsheb hnyav hnyav, cov khoom txawv teb chaws ntawm lub nres nres, cov khoom siv nres tsis raug, cov qauv tsis sib xws, lossis cov nres nres ntau dhau, tuaj yeem ua rau lub suab nrov nrov. Thaum kuaj pom lub suab nrov "squeaky" thaum tsav tsheb, nws yog ib qho tseem ceeb kom nres thiab xyuas qhov ua rau tam sim ntawd kom tshem tawm cov kev pheej hmoo ntawm kev nyab xeeb thaum taug kev.
Cov khoom txawv teb chaws hauv lub nres nres feem ntau ua suab nrov thaum nres. Hauv qhov xwm txheej hnyav, cov xuab zeb lossis hlau tuaj yeem nkag mus rau hauv lub tshuab nres. Rau cov xwm txheej zoo li no, koj tuaj yeem ntxuav cov khoom txawv teb chaws ntawm lub brake disc siv rab phom dej siab thaum ntxuav tsheb. Yog tias tsis tau ntxuav raws sijhawm, nws tuaj yeem ua kom nrawm nrawm ntawm cov pawm ntawm lub brakes thiab tej zaum yuav ua rau lub nres nres hauv qhov hnyav.
Tsis tas li ntawd, thaum lub tsheb tsav tsheb nyob rau hauv txoj kev nrog dej sawv ntsug los yog nyob rau hauv lub caij ntuj no los nag thiab snowy huab cua, lub xub ntiag ntawm noo noo ntawm lub brake disc thiab nres nres kuj yuav ua rau squeaky suab nrov. Nws yog ib qho tsim nyog sau cia tias thaum nag los nag hnyav los ntawm txoj kev hauv dej, thaum nres, koj yuav tsum nias lub nres pedal ob zaug. Thawj cov xovxwm yuav tsis muaj kev cuam tshuam ntau vim yog dej ntawm lub nres nres, thaum lub xovxwm thib ob yuav ua kom pom kev nrawm dua. Yog li ntawd, cov neeg tsav tsheb yuav tsum tau ceev faj ntxiv thaum tsav tsheb hauv nag.
Tsis tas li ntawd, qee lub tuam txhab tsheb tuaj yeem suav nrog cov khoom siv hlau lossis cov hmoov nyob rau hauv qhov chaw uas cov pawm nres yog nyias. Thaum tus brake disc hnav mus rau nws qhov txwv, nias lub nres yuav ua rau lub suab "squeaky". Qhov no ua rau kev ceeb toom kev nyab xeeb rau tus neeg tsav tsheb, ceeb toom lawv kom hloov cov pawm nres hauv lub sijhawm.
