1. Visual Differentiation:
Xim: Cov khoom noj txom ncauj tuaj yeem siv cov xim zoo nkauj los nyiam cov neeg siv khoom hluas, thaum cov khoom noj siab -kawg tuaj yeem siv cov xim dub thiab dawb lossis kub me me los txhawb lawv qhov kev pom zoo.
Cov Qauv: Sib xyaw cov cim npe, cov duab kos tshwj xeeb, lossis cov qauv tsim-, xws li cov cim tas luav ntawm lub khw ntim khoom qab zib lossis cov qauv toj roob hauv pes ntawm ntim tshuaj yej.
Structure: Kev sim nrog cov thawv tsis xwm yeem, cov qauv tsim qhov rai, lossis cov khoom plig rov qab siv tau los txhim kho kev sib tham.
2. Kev ua haujlwm zoo:
Sealing: Rau cov khoom xws li kas fes thiab txiv ntseej uas xav tau kev tiv thaiv oxidation, xaiv lub hnab ntim nrog li qub lossis lub hau airtight.
Portability: Takeout ntim tuaj yeem suav nrog nqa cov hlua, lub duav ntsaws ruaj ruaj, lossis cov qauv folding kom yooj yim nqa.
