Ntim yob zaj duab xis ua haujlwm feem ntau yog cov khoom siv raw rau cov khoom ntim khoom siv; nws cov ntawv txuas txuas ntxiv ua rau muaj kev ua haujlwm siab - ua haujlwm tau zoo thaum lub hnab ntim khoom - ua lossis ntim cov txheej txheem. Piv nrog rau cov hnab ua ntej-ua, nws yog qhov zoo dua rau qhov loj - nplai, qauv tsim muaj ib puag ncig.
Hais txog kev tiv thaiv cov khoom, cov khoom muaj pes tsawg leeg ntawm yob zaj duab xis tuaj yeem hloov kho kom tau raws li cov kev xav tau tshwj xeeb-xws li dej tsis kam, oxidation tsis kam, tiv thaiv lub teeb, lossis siab -cov khoom thaiv kev tiv thaiv- yog li txuas ntxiv lub neej txee ntawm cov zaub mov, cov khoom tu tus kheej, thiab cov khoom lag luam. Ntau yam kev sib xyaw ua ke kuj txhim khu kev tiv thaiv kev sib tsoo thiab kev sib khi ruaj khov, ua kom muaj kev nyab xeeb thaum thauj thiab khaws cia.
Hais txog tus nqi thiab kev ua tau zoo, yob zaj duab xis txo cov nqi cuam tshuam nrog kev tsim khoom thiab thauj khoom ua ntej- ua lub hnab. Thaum siv nrog daim ntawv tsis siv neeg- sau- cov tshuab foob, nws yooj yim rau siab - nrawm, ntim tsis tu ncua, ua kom muaj txiaj ntsig zoo thiab txo qis kev cia siab ntawm kev siv tes ua haujlwm.
Nws kuj muaj qhov yooj yooj yim hauv kev ntim khoom; tshuab luam ntawv tso cai rau cov khoom lag luam tsis tu ncua ntawm cov khoom lag luam, cov duab kos, thiab cov ntaub ntawv cov khoom, sib txuas ua haujlwm nrog cov nqi txhawb nqa. Yog li ntawd, nws tau siv dav hauv kev lag luam xws li zaub mov, tshuaj, kev saib xyuas tus kheej, thiab e- lag luam logistics.