Ua cov khoom ua si muag muag yog qhov kev ua si zoo heev uas tuaj yeem hloov mus ua kev nyiam nyiam. Cov khoom ua si tuaj yeem muab sewn los ntawm cov khoom qub ntawm cov npuag, xeb, tej daim tawv lossis pluab, yog li cov ntaub qhwv no yuav tsis xav tau kev nqis peev ntau thiab cov cuab yeej tshwj xeeb.
Nws yog qhov tsim nyog
cov khoom ua si qub, ntawv (ntawv xov xwm, daim ntawv kab ntawv, duab los qhia), txiab, xaum
Cov Lus Qhia
Kauj ruam 1
Txhawm rau tsim qauv, coj, piv txwv li, cov khoom ua si qub uas koj tsis xav txiav. Ua tib zoo txiav cov xov nrog uas cov khoom ua si yog sewn, ceev faj kom tsis txhob puas rau cov npoo ntawm qhov chaw. Tshaj tawm qhov chaw ntawm cov khoom ua si, yog tias tsim nyog, ncu lawv tawm thiaj li tias cov ntaub yog nteg tawm kom zoo dua saum npoo thiab nws yooj yim dua rau kab.
Kauj ruam 2
Tom qab ntawv kis daim tracing los yog ntawv rau ntawm qhov chaw tiaj. Muab cov khoom ntawm cov khoom ua si tso rau. Khij voj voos rau lawv kom zoo zoo nrog lub xaum, tom qab ntawd txiav raws qhov contour ntawm ib feem. Yog tias koj muaj lub sijhawm, ua qauv tsim dua li tam sim no ntawm cardboard. Nws yog xim dua li cov ntawv dawb los yog daim ntawv tracing thiab tuaj yeem siv ntau zaus tom qab. Kuj, cardboard qauv yog zoo dua khaws cia.
Kauj ruam 3
Tsis tas li, qauv tuaj yeem nrhiav pom hauv cov ntawv xov xwm tshwj xeeb lossis hauv Is Taws Nem. Feem ntau, cov qauv ntawm cov khoom ua si hauv cov ntawv xov xwm tau kos me me, thiab lawv yuav tsum ua kom tawg los ua qhov khoom ua si. Kos rau ntawm daim ntawv uas tus qauv raug kos hauv txawm tias lub tawb. Tam sim no tus qauv xav rov ua dua tshiab rau hauv ib daim ntawv.
Kauj ruam 4
Txhawm rau ua qhov no, sau cov duab kab ntawv, lossis kos daim ntawv xwm yeem ntawm Whatman ntawv hauv ib lub thawv. Qhov dav ntawm cov tawb muaj raws li qhov loj me ntawm cov khoom ua si uas koj npaj yuav xaws. Yog hais tias lub tawb ntawm tus qauv yog 1 cm ntawm ib sab, tom qab ntawd txhawm rau txhawm rau ob tus qauv, lub tawb yuav tsum tau kos nrog ib sab ntawm 2 cm.
Kauj ruam 5
Xav txog koj tus kheej los ua tus kws kos duab thiab ua tib zoo kos dua tus qauv tshiab xwm fab xwm meem los ntawm daim duab ntawm daim ntawv. Nws tseem nyob rau txiav qhov qauv loj thiab pib txiav rau yav tom ntej cov khoom ua si muag muag.
