Cov kab ntxwv nees yog ib qho ntawm lub cim nto moo tshaj plaws ntawm kev zoo siab. Yog li no, cov duab no yog qhov tsim nyog siv rau kev kho kom zoo nkauj sab hauv lossis hauv kev tsim khoom ntawm daim npav tos txais.
Cov Lus Qhia
Kauj ruam 1
Nees caj dab sib txawv - lub caij ntuj sov thiab lub caij ntuj no, tsim rau kev sib tw ncaws pob lossis kev ua haujlwm tom teb. Txawm li cas los xij, lawv cov duab yuav luag zoo ib yam, thiab qhov sib txawv tsuas yog hauv cov alloys uas lawv tau ua thiab, raws li hauv qhov hnyav. Cov duab uas yooj yim tshaj plaws ntawm ib tug nees muaj plaub ntu. Txhawm rau ua kom cov teeb duab ntau qhov tseeb, qhov xaus tuaj yeem ua rau me ntsis converging sib.
Kauj ruam 2
Koj yuav tsum pib kos duab rau nees. Kos ib lub voj voog nrog lub vojvoog uas xav tau los ntawm txhais tes lossis siv lub koob taw qhia. Tom qab ntawd kev nkag siab ntawm lub ntsej muag kom phim rau qhov nthuav dav ntawm lub horseshoe. Yog tias tsim nyog, nrog rau tag nrho txoj kab, koj tuaj yeem sau cov ncauj lus kos cim rau qhov chaw ntawm kab ntawm.
Kauj ruam 3
Ua tib zoo kos kab ntawm sab hauv ntawm lub horseshoe. Ntawm qhov no, nws daim duab silhouette tuaj yeem pom tias yuav luag tiav. Qhov xaus ntawm lub horseshoe yuav tsum tau txiav. Siv cov kab semicircular du, txuas cov kab sab nraud thiab sab hauv ntawm txhua sab.
Kauj ruam 4
Koj tuaj yeem ua tus horseshoe duab ntau qhov tseeb los ntawm kev qhia lub qhov rau cov ntsia hlau. Muaj peev xwm muaj cov lej ntawm lawv, qhov tseem ceeb tshaj plaws yog tias nws zoo li hauv organisations hauv daim duab thiab txawm tias.
Kauj ruam 5
Siv kev ua si ntawm lub teeb thiab duab ntxoov ntxoo los ua cov duab peb-seem. Txheeb xyuas qhov chaw lub teeb pom kev nyob zoo li cas yuav siv thiab siv lub teeb ntxoo kom tsaus nti ntawm ob sab. Yog tias koj xav tau, koj tuaj yeem kos duab ntxoov ntxoo uas pov los ntawm tus nees khaus.
Kauj Ruam 6
Yog tias koj tab tom kos tus nees khaus ua lub cim ntawm cov hmoov zoo, nws yog qhov zoo dua tso nws rau hauv qhov chaw nrog qhov xaus mus. Hauv qhov no, nws lub cev yuav zoo li lub khob, ntawm qhov kev zoo siab yuav tsis "ntws tawm." Yog tias qhov xav tau, daim duab ntawm tus nees khaus muaj peev xwm ntxiv nrog lwm cov cim ntawm kev ua tiav: spikelets ntawm qhob cij, ribbons lossis paj twisting nws ntawm ob sab.
