Dab tsi yog qhov punch saw?
| Lub piercing pom, feem ntau hu ua jeweler's saw, yog qhov tseem ceeb me me ntawm cov saw saw. | ||
| Ib yam li lub tshuab luam ntawv pom, lub punch pom muaj U-puab thav duab thiab cov hniav tshem tau. Qhov txawv tsuas yog qhov punch pom feem ntau me dua li qhov pom kev, thiab cov hniav haum rau nws feem ntau nyias thiab muaj cov hniav ntau dua ib nti. | |
 | Raws li qhov tshwm sim, lub tho qhov pom muaj peev xwm ua tau cov txiav txiav, nruj dua nkhaus thiab ua kom tiav. Lub punch saw tuaj yeem siv ntau yam tib yam li lub tshuab luam ntawv lossis jigsaw, tab sis kev saib xyuas zoo yuav tsum tsis txhob ua kom cov hniav nyias. Muaj cov hniav tuaj yeem txiav ntoo, yas thiab hlau. | |
 | Qee qhov piercing saws muaj cov thav duab kho tau kom haum rau cov hniav ntawm qhov ntev sib txawv. | |
Vim li cas nws tseem hu ua cov hniav nyiaj hniav kub? | ||
 | Lub punch saw feem ntau yog siv los ntawm jewelers rau kev ua haujlwm zoo ntawm cov hlau. | |
Ntxiv
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