Cov hnab ntim tau hu ua lub tshuab nqus tsev vacuum thiab yog raws li lub hauv paus ntawm qhov athospheric siab. Lub luag hauj lwm tseem ceeb ntawm cov khoom noj nqus tsev yog los pab tiv thaiv kom tsis txhob muaj zaub mov los yog tsis tuaj yeem. Lub tshuab nqus tsev yog lub hnab ntim khoom noj thiab cov pa oxygen pumped los ntawm kev siv hauv xovtooj, yog li nyob rau hauv "chaw nyob" poob ntawm cov txheej txheem microbial. Nqus zaub mov tuaj yeem tiv thaiv oxidation, zaub mov tsis zoo, deterioration txo qhov poob ntawm vitamin A thiab C.
Cov khoom noj nqus tsev tuaj yeem ua lub luag haujlwm tseem ceeb hauv kev txo kev nyab xeeb. Lub hnab kuj tuaj yeem tsis txhob pub zaub mov rau lwm yam khoom. Txo cov zaub mov tuaj yeem raug nyiag khoom noj tau. Qee cov ntawv ntim zaub mov muaj zog, muaj cov ntawv sau cuav, lub luag haujlwm yog los tiv thaiv qhov kev xav tau ntawm kev lag luam. Lub pob yuav muaj lub cim laser, ib qho tshwj xeeb xim, daim ntawv pov thawj rau daim ntawv lo. Lwm cov khw muag khoom los tiv thaiv kom tsis txhob muaj ntaub qhwv, cov ntawv ntim hluav taws xob hauv cov hnab ntim khoom noj khoom haus, xws li kev siv khoom lag luam tawm degaussing. Tam sim no, Tuam Tshoj cov khoom noj khoom haus zoo thiab khoom noj khoom haus kev siv khoom noj rau kev ua haujlwm ntawm 28 pawg zaub mov peb pawg.
Vim li no, cov khoom noj nqus tsev muaj qhov zoo tiv thaiv, electrostatic shielding kev ua tau zoo, cov tsos ntawm silver-grey, translucent, yuav pom los ntawm lub ntim. Yuav ua tau cov hnab tshos, cov hnab zipper, lub hnab ntim, lub hnab ntim thiab lwm hom. Siv dav hauv lub computer motherboards, suab ntawv, graphics cov ntawv teev lus thiab lwm yam khoom siv hluav taws xob.
