Kev sau hmoob rau qhov chaw nruab siab yog qhov kev tsim nyog tshaj plaws uas tseem ceeb heev rau kev pabcuam kom meej meej, siv tau ntev, thiab muaj feem cuam rau cov khoom no hauv kev lag luam siv tshuab siv zog, xws li kev siv tshuab ntxig tawm xwm fab thiab cov khaub ncaws. Qhov chaw nruab siab thiab cov khoom sib txuas nrog nws tau raug siv hnav hnav los ntawm kev rov ua dua dua hauv dej zoo. Kev sau hmoob muaj peev xwm tso cai rau ob qho kev ua haujlwm: nws txo kev sib thaub thiab kev puav tseg ntawm cov khoom sib npaug thiab cov chaw nruab siab, pabcuam tawm kab mob, thiab pab tso tawm tej tshuab uas tsim tawm thaum siv. Kev xaiv lub hmoob—yog hmoob lossis dej hmoob—yog hauv kev txiav txim los ntawm cov ntaub ntawv xws li lub zog, kev siv zog, dej tshuab, thiab tus cwj mem xws li dust plastic. Rau tib cheem tshaj plaws, ib qho hmoob zoo li lithium lossis urea-based hmoob nrog EP (zog loj) yooj yim yog daim duab tshaj tawm. Kev sau hmoob tuaj yeem yog sau los sawv cev, sau los ntawm kev siv tshuab nrog cov khaub ncaws, lossis sau los ntawm kev siv tshuab. Cov tshuab sau hmoob automatac yog qhov yuav pom zoo tshaj rau kev tsim kho tshuab nrov vim nws pab sau hmoob tshiab tshiab nrog qhov ntau npaum li cas uas tau teem tawm, tshem tawm qhov tsis meej ntawm tib neeg thiab pab kom siv zoo. Kev sau hmoob tsis txaus yuav pab ntau dua, tso cai rau kev puav tseg, kev puav tseg ntev, thiab kev tsis meej ntawm qhov chaw, uas tuaj yeem tshwm sim rau kev tsis zoo hauv cov khoom tsim tawm. Tom qab no, kev sau hmoob ntau yuav pab tso cai rau cov khoom sib thaub thiab tshwm sim kev sib txawv ntau dua. Yog li, kev tsim lub sijhawm sau hmoob uas cov neeg tsim khoom pom zoo yog qhov tseem ceeb tshaj plaws rau kev pabcuam tshuab kom tsis pub muaj kev phom sij thiab pabcuam rau kev lag luam siv tshuab siv zog.