Cov hnab ntim khoom sawv tau tuaj yeem cais ntau txoj hauv kev raws li lawv cov haujlwm thiab cov qauv. Ntawm no yog ntau lub hnab qhia khoom siv nyob ib puag ncig thiab lawv cov yam ntxwv:
Lub hnab sawv cev zoo tib yam: Qhov no yog daim ntawv yooj yim tshaj plaws, nrog kev tsim qauv plaub sab ntawm plaub sab, thiab tsis tuaj yeem muab rov qab los yog qhib ntau dua. Feem ntau siv nyob rau hauv cov khoom siv kev lag luam.
Cov hnab sawv ntsug nrog lub hnab ntim khoom siv hluav taws xob: Lub hnab ntim khoom muag no tau tsim nrog puzzle, uas yooj yim rau pawv xau, thiab tuaj yeem raug khaws cia thiab qhib ntau dua. Haum rau txhua yam yuav tsum muaj cov khoom ntim, xws li cov dej haus, dej zawv plaub hau, tshuaj zawv plaub hau thiab lwm yam kua lossis cov khoom lag luam ua kua lossis khoom noj.
Sawv ntsug lub hnab nrog zipper: nrog tus zipper tsim, nws kuj tuaj yeem raug khaws thiab qhib dua. Vim tias lub zog kaw lub zog ntawm lub zipper, nws tsis haum rau cov kua dej thiab cov khoom siv tsis muaj neeg coob. Haum rau kev ua kom cov khoom lag luam zoo xws li khaub noom ua haujlwm, tab sis yog qhov yooj yim rau cov dej tsis sib xws, thiab yog qhov tsim nyog rau cov dej tsis sib xws, colloids, thiab cov khoom lag luam semi-demi.
Cov khoom tshwj xeeb zoo nkauj tshwj xeeb: hom sawv ntsug muaj lub cim tshwj xeeb thiab tsim qauv, haum rau cov khoom lag luam uas xav tau cov zaub tshwj xeeb.
