Lub hnab ntim khoom sawv ntsug muaj qhov zoo ntawm kev ua haujlwm zoo heev thiab cov khoom siv sib xyaw ua ke muaj zog, tsis yooj yim tawg thiab xau, lub teeb yuag, siv cov khoom tsawg dua, thiab yooj yim thauj mus los. Tib lub sijhawm, cov khoom ntim khoom muaj kev ua tau zoo xws li tiv thaiv hluav taws xob, tiv thaiv ultraviolet, thaiv cov pa oxygen thiab noo noo, thiab yooj yim kaw.
Cov hnab uas txhawb nqa nws tus kheej yog cov uas tiv taus tshuaj lom neeg, ci ntsa iab, pob tshab me ntsis lossis pob tshab. Feem ntau yog cov khoom rwb thaiv tsev zoo.
Lub hnab zipper uas txhawb nqa tau tus kheej no tsis hnyav thiab ruaj ntseg. Yuav tsim tau ntau thiab pheej yig.
Lub hnab zipper uas txhawb nqa nws tus kheej yog qhov siv tau ntau yam, siv tau yooj yim, yooj yim rau xim, thiab qee qhov kub thiab txias.
Lub hnab sawv ntsug siv tau sai thiab muaj kev nyab xeeb, thiab kuj zoo nkauj. Cov hnab txhawb nqa tus kheej uas muaj kev nyab xeeb thiab txhim khu kev qha tuaj yeem ua kom peb cov khoom muaj kev nyab xeeb thaum lub sijhawm thauj mus los thiab txo qhov kev pheej hmoo ntawm kev thauj mus los.
Tib lub sijhawm, lub hnab ntim khoom uas txhawb nqa nws tus kheej muaj qhov kub thiab txias, tiv taus siab thiab tiv taus poob, thiab txawm tias nws raug poob los ntawm qhov chaw siab, nws yuav tsis ua rau lub cev hnab tawg lossis xau, uas ua rau kev nyab xeeb ntawm cov khoom zoo dua.
Lub Hnab Sawv Ntsug Hauv Qab
siv tau dua thiab khaws cia zoo
nrog lub zipper