Cov lus qhia rau kev siv cov paib nres tsheb feem ntau suav nrog cov hauv qab no:
Xaiv ib qho chaw tsim nyog: chaw nres tsheb yuav tsum muab tso rau hauv qhov chaw ua haujlwm thiab pom yooj yim ntawm lub tsheb, xws li tom qab lub tsheb, kom ntseeg tau tias nws tsis thaiv los ntawm lwm cov tsheb.
Sau cov ntaub ntawv: Sau cov ntaub ntawv kom pom thiab yooj yim rau ntawm chaw nres tsheb, suav nrog tus tswv lub npe, thiab lub sijhawm kwv yees (yog tias muaj).
Siv cov ntaub ntawv zoo: Xaiv cov ntawv ntawm cov khoom zoo kom tsis txhob fading lossis blring. Sau tus lej xov tooj ntawm tes hauv ib qho tseeb thiab nyeem tau zoo kom ntseeg tau tias nws tuaj yeem pom meej meej ntawm sab nraud lub tsheb.
Txhim kho visility: hauv cov ntaub ntawv tsawg-lub teeb pom kev zoo lossis lwm cov qauv tsim tau los txhim kho qhov tau nyeem tau qhov chaw nres tsheb.
Tiv thaiv kev ceev ntiag tug: Thaum lub chaw nres tsheb nres tsis siv, muab tso rau hauv lossis nkaum hmo ntuj lossis thaum lub tsheb nres hauv qhov chaw deb.
Ua raws li cov kev cai: Nco ntsoov cov ntaub ntawv ntawm cov cai nres tsheb ua raws li cov kev cai nres tsheb hauv zos thiab zam kev nres tsheb hauv thaj chaw uas nres tsheb raug txwv.
Cov ntaub ntawv hloov tshiab raws sijhawm: yog tias koj xav tau hloov lub sijhawm nres tsheb lossis tawm ntawm chaw nres tsheb, hloov kho cov tsheb thauj mus los kom paub tias lwm tus tsav tsheb paub txog koj qhov chaw nyob thiab cov haujlwm.
