Nyob rau hauv lub ntiaj teb niaj hnub no uas muaj kev kub ceev, kev ntim khoom ua lub luag haujlwm tseem ceeb hauv kev lag luam khoom noj. Nws yog thawj qhov chaw sib cuag ntawm cov khoom noj thiab cov neeg siv khoom. Yog li ntawd, ntau yam yuav tsum tau xav txog thaum xaiv cov ntaub ntawv ntim khoom noj. Cov ntaub ntawv ntim khoom noj yuav tsum ruaj khov, tsis muaj tshuaj lom, thiab tiv taus kub siab kom ntseeg tau tias cov khoom noj muaj kev nyab xeeb. Ib qho ntawm cov khoom uas ua tau raws li tag nrho cov qauv no yog cov yeeb yaj kiab ntim khoom noj, ua los ntawm cov txhuas zoo, cov khoom siv qib khoom noj uas tsis muaj tshuaj lom.

Zaj duab xis yob ntim khoom nojyog ib qho khoom siv tiv thaiv zoo heev rau cov dej noo, ntxhiab tsw thiab cov kab mob, pab tswj kom cov khoom noj tshiab thiab zoo. Nws tiv thaiv cov pa oxygen kom tsis txhob nkag mus rau hauv lub ntim khoom, yog li ua kom cov khoom noj tshiab mus ntev. Nws yooj ywm thiab yooj yim rau kev ua kom zoo li cas los xij, ua rau nws zoo tagnrho rau kev ntim txhua yam los ntawm cov sandwiches mus rau txiv hmab txiv ntoo thiab zaub.

Ib qho ntawm cov txiaj ntsig zoo tshaj plaws ntawm cov yeeb yaj kiab ntim khoom noj yog nws qhov kub thiab txias siab. Nws tuaj yeem tiv taus qhov kub thiab txias siab, ua rau nws zoo meej rau kev qhwv cov khoom noj kub xws li burgers thiab grilled sandwiches. Yog li ntawd, nws yog siv dav hauv kev lag luam khoom noj ceev ceev.

Cov yob zaj duab xis qhwv zaub mov kuj yooj yim tuav vim nws tsis hnyav thiab muaj ua ntau daim. Kev xa khoom thiab kev khaws cia yooj yim heev, ua rau nws yog qhov kev xaiv nrov rau kev khiav lag luam ntawm qhov loj. Cov yob qhwv zaub mov kuj zoo heev rau kev siv tus kheej, xws li khaws cov khoom seem.

Cov ntawv yas qhwv zaub mov yog ib qho kev xaiv zoo rau ib puag ncig vim nws tuaj yeem siv rov qab tau. Nws yog ua los ntawm txhuas, ib yam khoom siv ruaj khov nrog cov pa roj carbon tsawg. Yog li ntawd, nws yog ib qho kev xaiv ntim khoom zoo tshaj plaws rau cov lag luam uas txhawj xeeb txog lawv qhov cuam tshuam rau ib puag ncig.

Cov ntawv ci txhuas uas yog qib khoom noj kuj tuaj yeem luam tawm nrog cov cim lag luam lossis lwm cov ntaub ntawv hais txog hom lag luam tau yooj yim, ua rau nws yog ib qho cuab yeej ua lag luam zoo heev. Qhov no yog ib qho kev xaiv pheej yig rau cov lag luam me uas tab tom nrhiav kev txhawb nqa lawv lub npe los ntawm kev ntim khoom.

Xaus lus,zaj duab xis yob ntim khoom nojyog ib yam khoom siv ntim khoom uas siv tau ntau yam thiab txhim khu kev qha rau ntau hom khoom noj thiab cov kev xav tau ntim khoom. Nws tiv taus kub heev, muaj zog tiv thaiv tau zoo, yooj ywm thiab tsis ua rau ib puag ncig puas tsuaj ua rau nws yog ib qho kev xaiv nrov hauv ntau yam lag luam. Nws yog qhov kev daws teeb meem zoo tshaj plaws rau kev siv tus kheej thiab kev lag luam, thiab yog ib qho tseem ceeb rau txhua yam lag luam ntsig txog khoom noj.