Nrog rau txoj kev loj hlob tsis tu ncua ntawm theem kev loj hlob ntawm kev lag luam, muaj ntau yam khoom lag luam hauv kev muag khoom uas nws tus nqi tsis yog siab heev, tab sis lawv muaj txiaj ntsig zoo rau txhua tus neeg lub neej txhua hnub. Lub hnab ntim khoom yog ib qho ntawm cov khoom muag, nws yog ib qho tseem ceeb ntawm kev thauj mus los hauv kev thauj khoom lossis kev tsim kho engineering, thiab nws kuj yooj yim heev rau kev siv.
Hauv kev lag luam tsheb thauj mus los, ton hnab yog cov khoom ntim zoo tagnrho. Cov khoom ntim khoom ua los ntawm polyester fibers xws li polypropylene thiab polyethylene xaiv rau ntim los ntawm kev ua textile. Nws yog ib qho yooj yim thauj khoom ntim khoom. Nws yog dav siv nyob rau hauv ntim ntawm ntau yam hmoov, granular thiab thaiv cov khoom, xws li tshuaj lom neeg, khoom siv hauv tsev, cov khoom yas, cov khoom ntxhia, thiab lwm yam. Qhov zoo tshaj plaws rau kev siv cov khoom siv.
Lub ntim ntawm lub hnab tuj feem ntau kuj loj, thiab nws tuaj yeem thauj tau nrog ntau yam khoom, thiab qhov zoo yog qhov zoo. Thaum siv, nws tuaj yeem nqa tau qhov hnyav heev thiab tsis yooj yim rau hnav. Thaum siv, ua tib zoo saib seb cov khoom thiab lub hnab puas txawv txav, thiab seb qhov kev sib txuas puas raug puas. Qhov thib ob, koj kuj yuav tsum tau kuaj xyuas qhov airtightness ntawm cov khoom, vim tias nws yog cov hmoov siv hauv kev tsim cov hnab, thiab cov kev cai ntawm kev sib khi cov yam ntxwv ntawm ib puag ncig muaj kuab paug yog nruj heev, thiab cov khoom siv raw uas muaj kev cuam tshuam rau cov dej noo. los yog mildew yuav ua phem rau huab cua. Kev tsis pub leej twg paub kuj raug rau cov cai tshwj xeeb.