Hlau ntim yog hais txog txhua hom ntim khoom uas yog tsim los ntawm cov ntaub ntawv hlau, xws li txhuas, tinplate, thiab hlau. Nws yog qhov kev xaiv ntim nrov rau ntau yam khoom siv vim nws cov kav ntev, ntau yam, thiab ruaj khov.
Ib qho ntawm qhov zoo tshaj plaws ntawm kev ntim cov hlau yog nws lub peev xwm los tiv thaiv cov khoom los ntawm lwm yam, xws li huab cua, lub teeb, thiab noo noo. Qhov no ua rau nws yog qhov kev xaiv zoo tshaj plaws rau zaub mov, dej haus, thiab cov khoom siv tshuaj. Nrog rau kev siv cov txheej txheem kev tsim khoom siab heev, cov khoom ntim hlau kuj tuaj yeem tsim los muab cov ntaub ntawv pov thawj siab, ua kom muaj kev ncaj ncees ntawm cov khoom.
Lwm qhov zoo ntawm kev ntim cov hlau yog nws cov nqi-zoo. Thaum nws cov nqi pib yuav siab dua lwm cov ntaub ntawv ntim, xws li yas lossis ntawv, hlau ntim muaj lub neej ntev dua thiab tuaj yeem rov siv tau ntau zaus, txo cov nqi hauv lub sijhawm ntev. Tsis tas li ntawd, cov ntim hlau yog 100% rov ua dua tshiab, ua rau nws muaj kev xaiv zoo rau cov tuam txhab kev txhawj xeeb txog kev txo lawv cov pa roj carbon monoxide.
Nyob rau hauv cov nqe lus ntawm kev tsim, hlau ntim muaj ntau yam kev xaiv kom haum cov khoom sib txawv thiab cov tswv yim kev lag luam. Cov ntaub ntawv tuaj yeem ua tau yooj yim zoo li tus thiab luam tawm, tso cai rau kev tsim khoom lag luam thiab cov lus tshaj tawm. Hlau ntim kuj tseem tuaj yeem embossed lossis debossed los tsim kom muaj kev sib tw, hwm zoo, uas tuaj yeem txhim kho qhov pom ntawm cov khoom.
Zuag qhia tag nrho, hlau ntim khoom yog qhov zoo, ruaj khov, thiab kev xaiv ruaj khov rau ntau yam khoom. Nws lub peev xwm los tiv thaiv cov khoom lag luam, kev ua tau zoo, thiab kev kho kom haum xeeb ua rau nws muaj txiaj ntsig zoo rau cov tuam txhab nrhiav kev txhim kho lawv cov hom thiab xyuas kom lawv cov khoom ncav cuag cov neeg siv khoom zoo.