Kev khaws cov tshuaj tua kab mob yuav tsum tau saib xyuas ntau yam. Ua ntej, cov tshuaj tua kab mob yuav tsum tau muab cia rau hauv qhov chaw qhuav, txias, thiab zoo - qhov cua. Qhov kub thiab av noo tuaj yeem ua rau cov tshuaj tua kab mob kom decompose lossis deteriorate, txo lawv cov kev ua haujlwm. Thaum qhov kub thiab txias, qee yam ntawm cov tshuaj tua kab mob tuaj yeem ua rau muaj tshuaj lom neeg, txo nws cov bactericidal nyhuv; thaum cov av noo tuaj yeem ua rau cov tshuaj tua kab mob kom nqus dej noo, cuam tshuam rau nws txoj kev ruaj ntseg thiab kev ua haujlwm zoo. Qhov thib ob, lub hnub ncaj qha yuav tsum zam. Ultraviolet rays nyob rau hauv tshav ntuj tuaj yeem ua rau cov khoom ntawm cov tshuaj tua kab mob puas, ua kom nws cov txheej txheem tsis zoo. Nyob rau tib lub sijhawm, yuav tsum tau ua raws li cov kev cai khaws cia rau cov tshuaj tua kab mob, ua tib zoo saib rau hnub tas sij hawm, thiab tsis txhob siv cov tshuaj tua kab mob tas mus li. Cov tshuaj tua kab mob tas mus li yuav tau hloov pauv hauv kev ua haujlwm, ua tsis tiav qhov kev xav tau ntawm cov kab mob bactericidal, thiab tej zaum yuav muaj kev phom sij rau lub cev. Tsis tas li ntawd, rau qee cov tshuaj tua kab mob uas muaj cov khoom tshwj xeeb, xws li cov nplaim taws, tawg, lossis cov tshuaj tua kab mob lom, yuav tsum muaj kev ntsuas tshwj xeeb los xyuas kom muaj kev nyab xeeb ntawm qhov chaw cia khoom thiab tiv thaiv kev sib tsoo. Thaum lub sijhawm khaws cia, cov tshuaj tua kab mob yuav tsum tau muab cais tawm ntawm lwm yam khoom kom tsis txhob muaj kev cuam tshuam kev sib raug zoo.
