Yas zaj duab xis thiab cov ntawv yas yog ob qho tib si dav siv los ua cov khoom ntim hauv ntau yam lag luam. Txawm hais tias lawv yuav zoo li zoo sib xws, muaj qhov sib txawv ntawm ob qho uas ua rau lawv haum rau kev siv sib txawv.
Yas zaj duab xis, tseem hu ua yas twist zaj duab xis, yog ib yam khoom nyias, hloov tau yooj yim uas feem ntau siv los qhwv thiab tiv thaiv cov khoom. Nws feem ntau yog siv los npog thiab kaw cov khoom, muab kev tiv thaiv kev ya raws, plua plav, thiab lwm yam ib puag ncig. Yas zaj duab xis kuj tseem siv nyob rau hauv kev lag luam khoom noj khoom haus rau ntim cov khoom perishable, raws li nws pab kom ntev lub txee lub neej ntawm cov khoom los ntawm kev ua kom lawv tshiab thiab tiv thaiv.
Ntawm qhov tod tes, ib daim ntawv yas yog cov khoom siv tuab thiab nruj dua uas feem ntau siv rau kev tsim qauv lossis kev tiv thaiv. Nws yog feem ntau siv hauv kev tsim kho, kev ua liaj ua teb, thiab kev tsim khoom lag luam rau kev siv xws li npog qhov chaw, tiv thaiv cov ntaub ntawv, thiab muab rwb thaiv tsev. Cov ntawv yas kuj tseem siv rau hauv kev lag luam ntim khoom los tsim cov ntim khoom ruaj khov thiab ruaj khov lossis cov tais rau tuav thiab thauj khoom.
Thaum nws los txog rau kev ntim khoom, yas zaj duab xis feem ntau yog siv los qhwv ib tus neeg cov khoom lossis tsim cov kev daws teeb meem ntim tau yooj yim, thaum cov ntawv yas siv los tsim cov ntim khoom ruaj khov thiab ruaj khov. Ob qho khoom siv muaj txiaj ntsig tshwj xeeb thiab raug xaiv raws li cov kev xav tau tshwj xeeb ntawm cov khoom raug ntim.
Hauv kev xaus, thaum cov yeeb yaj kiab yas thiab cov ntawv yas yog ob qho tib si siv hauv kev lag luam ntim, lawv ua haujlwm sib txawv vim lawv cov yam ntxwv sib txawv. Kev nkag siab txog qhov sib txawv ntawm ob cov ntaub ntawv yog qhov tseem ceeb rau kev xaiv cov ntim khoom tsim nyog tshaj plaws rau ntau yam khoom thiab kev siv.
Post lub sij hawm: Sep-12-2024