Kev tsim cov iav npias lub raj mis yog cov txheej txheem ntxaws heev uas muaj ntau theem, suav nrog kev ntim khoom. Lub ntim ntim ntawm cov txheej txheem tsim khoom yog qhov tseem ceeb raws li nws ua kom ntseeg tau tias cov khoom kawg muaj kev tiv thaiv zoo thiab khaws nws cov khoom zoo kom txog thaum nws ncav cuag cov neeg siv khoom.
Lub ntim ntawm iav npias fwj pib nrog kev tshuaj xyuas cov fwj kom paub tseeb tias lawv nyob hauv qhov zoo thiab ua tau raws li qhov yuav tsum tau ua. Cov fwj yuav raug ntxuav thiab qhuav ua ntej txheej txheem ntim tuaj yeem pib. Qhov no suav nrog kev siv cov tshuab tshwj xeeb uas tuaj yeem tuav ntau lub raj mis ib txhij. Cov tshuab feem ntau suav nrog cov khoom siv thauj khoom uas txav lub raj mis raws cov kab ntau lawm, sau npe, qhwv, thiab cov tshuab sealing.
Thawj kauj ruam hauv kev ntim khoom suav nrog kev sau npe ntawm cov fwj. Qhov no suav nrog ntxiv cov ntaub ntawv sau npe xws li cov ntaub ntawv khoom, cov ntsiab lus ntawm cov chaw tsim khoom, thiab hnub tas sij hawm. Cov ntawv sau feem ntau siv los siv cov cuab yeej siv siab-rhiab lossis cov nplaum kub yaj kom ntseeg tau tias lawv nyob ruaj ntseg ntawm lub raj mis.
Thaum cov ntawv sau tiav lawm, cov raj mis txav mus rau theem qhwv. Qhov no yog qhov uas cov fwj qhwv hauv ib txheej tiv thaiv zaj duab xis uas tiv thaiv lawv los ntawm lub teeb, huab cua, thiab lwm yam kab mob. Lub sijhawm qhwv yog qhov tseem ceeb vim nws ua kom cov npias hauv lub fwj tuaj yeem khaws nws qhov tshiab thiab zoo rau lub sijhawm ntev.
Tom qab qhwv, lub raj mis txav mus rau theem sealing. Ntawm no, ntau lub tshuab sealing yog siv los xyuas kom meej tias cov corks lossis lub kaus mom tseem nyob hauv qhov chaw thiab cov khoom sab hauv tseem raug kaw thiab ruaj ntseg. Qhov no kuj tiv thaiv npias los ntawm lwm yam xws li kab mob thiab huab cua.
Thaum kawg, cov fwj ntim tau raug xa mus rau qhov chaw khaws cia thiab xa tawm qhov chaw uas lawv tos kev thauj mus los rau qhov chaw kawg. Feem ntau, npias tau ntim rau hauv cov thawv ntawv los yog cov thawv yas uas tuaj yeem tuav tau ntau lub raj mis ib zaug, ua kom yooj yim rau kev thauj mus los.
Hauv kev xaus, lub ntim ntawm iav npias fwj yog ib qho tseem ceeb ntawm kev tsim khoom uas ua kom cov khoom muaj kev tiv thaiv zoo thiab tswj nws qhov zoo kom txog thaum nws mus txog cov neeg siv khoom. Cov txheej txheem ntim khoom suav nrog ntau theem, suav nrog kev sau ntawv, qhwv, thiab kev sib khi, thiab ua tiav siv cov tshuab tshwj xeeb thiab thev naus laus zis. Nrog kev ntim khoom kom zoo, cov neeg siv khoom tuaj yeem txaus siab rau npias uas tshiab, zoo, thiab tsis muaj kab mob.
