Cov hlua xauv mechanism yog ib qho tseem ceeb uas tso cai rau cov qhov muag tsis pom kev thiab txo qis tau yooj yim thiab nyab xeeb. Nws muaj cov cuab yeej siv hlau uas feem ntau zaum ntawm qhov muag sab saum toj ntawm qhov muag tsis pom. Lub xauv qaum yog tsim los tuav lub nqa hlua nyob rau hauv qhov chaw thaum lub qhov muag tsis pom nyob rau hauv qhov xav tau. Los ntawm rub tawm ntawm lub nqa hlua, lub xauv qaum txuas thiab tuav cov hlua rau hauv qhov chaw, tiv thaiv cov qhov muag tsis pom kev. Cov txheej txheem no tso cai rau tus neeg siv 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 nws yuav ua kom tus neeg siv lub tshuab ua kom cov neeg siv tau yooj yim rau cov neeg siv kom kaw lub qhov muag thiab muab kev ceev ntiag tug. Txhawm rau tso cov hlua xauv, maj mam rub mus rau ntawm lub nqa hlua kom tso cov txheej txheem, tso cai rau cov qhov muag tsis pom los yog txo qis raws li qhov xav tau.