1. Hom thiab zoo: Electronic stethoscopes ntawm cov npe nrov thiab cov khoom zoo feem ntau siv cov ntaub ntawv zoo dua thiab cov thev naus laus zis ntau dua, thiab lawv lub neej kev pab yuav ntev ntev.
2. Kev siv ntau zaus: Kev siv ntau zaus thiab siv ntau zaus yuav ua rau kev hnav thiab kev laus ntawm cov khoom, yog li ua rau lub neej ua haujlwm luv.
3. Siv ib puag ncig: Yog tias nws feem ntau siv rau hauv qhov chaw hnyav, xws li kub, av noo, plua plav, thiab lwm yam, nws yuav ua rau muaj kev puas tsuaj rau cov khoom siv hluav taws xob sab hauv.
4. Kev Tu: Kev tu tsis tu ncua, tshuaj tua kab mob, khaws cia kom zoo, thiab kev ua haujlwm thiab kev saib xyuas raws li cov lus qhia yuav pab txuas ntxiv lub neej kev pabcuam.
5. Kev hloov kho thev naus laus zis: Nrog kev nce qib ntawm kev siv thev naus laus zis tas li, qhov tshwm sim ntawm cov haujlwm tshiab thiab kev ua haujlwm zoo dua tuaj yeem ua rau cov khoom siv hluav taws xob qub stethoscope rov qab ua haujlwm thiab yog li hloov ua ntej.
