Kab rov tav hluav taws twj tso kua mis ua tau zoo tshaj plaws hauv ntau qhov xwm txheej. Ua ntej, hauv thaj chaw muaj neeg coob coob xws li cov tsev lag luam loj, cov tsev ua haujlwm, cov chaw kho mob, thiab cov tsev kawm ntawv, cov twj tua hluav taws kab rov tav ua kom cov dej ruaj khov thiab cov lus teb ceev ceev rau kev xav tau hluav taws. Thib ob, nyob rau hauv cov chaw lag luam xws li tshuaj lom neeg, roj av, thiab cov chaw tsim hluav taws xob, qhov chaw muaj kev phom sij thiab tawg, qhov ua tau zoo ntawm cov twj tua hluav taws yog qhov tseem ceeb tshwj xeeb. Tsis tas li ntawd, cov chaw nres tsheb hauv av thiab cov chaw nres tsheb, vim lawv qhov chaw kaw, yog cov pa luam yeeb thiab cov pa lom lom thaum muaj hluav taws kub; qhov siab txaus thiab siab siab ntawm kab rov tav hluav taws twj tso kua mis zoo daws qhov no. Nyob rau tib lub sijhawm, kev teeb tsa cov chaw tua hluav taws thiab cov tsheb tua hluav taws nrog cov twj tua hluav taws kab rov tav ua kom muaj txiaj ntsig zoo. Tsis tas li ntawd, cov twj tua hluav taws kab rov tav kuj tsim nyog rau kev lag luam thiab hauv nroog cov dej hauv nroog thiab cov dej ntws, siab - nce siab hauv tsev, thiab kev xa dej mus ntev -. Lawv cov qauv compact, tsis tshua muaj suab nrov, thiab cov yam ntxwv tsis tshua muaj kev vibration ua rau cov twj tua hluav taws kab rov tav yog qhov kev xaiv zoo tshaj plaws rau ntau yam xwm txheej. Thaum xaiv tus qauv, nws yuav tsum ua tib zoo xaiv cov qauv tsim nyog thiab cov lus qhia tshwj xeeb raws li kev siv tshwj xeeb thiab cov kev xav tau.