Kev paub

Qhov txawv ntawm lub tshuab nqus tsev ntim, deoxygenation ntim thiab ntim ua noj

Yuav xaiv lub hnab nqus tsev li cas

Yuav ua li cas khiav lub hnab nqus tsev vacuum

Yuav siv lub tshuab nqus tsev li cas

Ntau yam tseem ceeb cuam tshuam txog kev nyab xeeb ntim khoom noj

Cov yam ntxwv ua haujlwm ntawm lub tshuab nqus tsev ntim cov hnab yas

Yuav ua li cas nrog cov teeb meem tshwm sim nrog zipper stand-up hnab

Dab tsi yog qhov txawv ntawm peb-sab sealing hnab thiab rov qab-sealing hnab?

Yog vim li cas vim li cas cov zaub mov nqus ntim hnab wrinkle

Vim li cas lub hnab nqus tsev swell thiab yuav ua li cas kom tsis txhob lawv

Yog vim li cas vim li cas yim lub hnab ntim khoom ntim khoom tawg tau tawg

Cov ntsiab lus yuav tsum nco ntsoov thaum tsim cov hnab ntim tshwj xeeb zoo li lub tshuab nqus tsev