Cov khoom ntawm lub thoob of elevator yog cov khoom siv ruaj ruaj ntawm cov khoom siv sib tw, uas tau thov dav hauv cov hmoov, cov khoom me thiab cov khoom me me. Nws yog ntsug thauj khoom.Yog li nws kuj tseem nrov nyob rau hauv ntau yam ntawm tsiaj tsiaj pub khoom noj, hmoov nplej Hoobkas, mov nplej, roj Hoobkas thiab cov hmoov txhuv nplej siab .Qhov hnyav ho thiab qhov nrawm yog raug cov khoom siv thauj khoom 'txig.
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