1. Kev ua haujlwm tshiab: Cov hnab ntim khoom noj khoom haus feem ntau yog tsim los ntawm ntau txheej txheej ntawm cov ntaub ntawv, qee yam ntawm cov ntaub ntawv pov thawj noo noo, oxidation-proof los yog gas-proof, yog li lawv tuaj yeem tswj tau qhov tshiab thiab saj ntawm cov khoom noj.
2. Lub zog muaj zog: Cov hnab ntim ntau txheej yog tsim los ntawm ntau cov txheej txheem, nrog cov txheej txheem nyuaj thiab muaj zog, siab tsim kua muag thiab kev puas tsuaj, thiab tuaj yeem tiv thaiv cov khoom noj los ntawm kev puas tsuaj rau sab nraud.
3. Moisture-proof kev ua tau zoo: qib zaub mov feem ntau siv cov ntaub ntawv pov thawj noo noo ua ib txheej, uas tuaj yeem tiv thaiv kom tsis txhob ya raws nkag mus rau hauv lub hnab, yog li ua kom cov zaub mov qhuav thiab ua kom lub neej ntev.
4. Kev luam ntawv zoo: Qhov saum npoo ntawm cov hnab ntim ntau txheej feem ntau yog kho tshwj xeeb kom ua tiav cov luam ntawv zoo thiab tsim nyog rau ntau yam kev ntim khoom zoo thiab kev tshaj tawm kev lag luam.
5. Kev tiv thaiv ib puag ncig: Qee lub hnab ntim khoom noj khoom haus yog ua los ntawm cov khoom siv rov ua dua tshiab, uas muaj txiaj ntsig zoo los txo cov pa phem ib puag ncig thiab cov khoom siv pov tseg, thiab ua tau raws li kev tiv thaiv ib puag ncig ntawm lub neej niaj hnub.
6. Versatility: Vim tias cov qauv ntawm lub hnab sib xyaw yog hloov tau thiab muaj ntau haiv neeg, nws tuaj yeem hloov kho raws li tus yam ntxwv thiab ntim xav tau ntawm cov khoom noj sib txawv. Nws tuaj yeem tsim rau hauv ntim peb-seem, hnab zipper thiab lwm yam ntaub ntawv kom tau raws li kev ntim khoom ntawm cov khoom noj sib txawv.
