Peb xum qhib ib qho zawj los ntawm sab nraum qab ntawm aluminium-yas puas vaj huam sib luag nrog lub tshuab slotting (txiav tshuab), txwv tsis pub nws yuav tsis quav. Qhov tob ntawm qhov zawj yog raug kho raws li cov tuab ntawm cov txhuas yas. Ua ntej tshaj, txiav cov taub hau txiav thiab sim nws maj mam kom txog thaum nws zoo li tias txhuas tev tsis zoo li raug pom. Kev sib sib zog nqus thiab yooj yim khawb ntawm daim tawv nqaij aluminium ua rau daim tawv nqaij tawg, ntiav thiab tsis yooj yim quav, yooj yim tawg.
Tsis tas li ntawd, lub taub hau txiav tau siv, thiab muaj ob hom tshuab txiav taub hau, U-zoo li tus kheej (nrov npe hu ua puag ncig mus rau lub taub hau) thiab V-zoo li tus (nrov npe hu ua cutter taub hau). U-shaped cutter lub taub hau tsis yooj yim rau kos cov tawv nqaij aluminium, tab sis lub kaum ntsej muag tsis yooj yim heev, V-shaped cutter lub taub hau yog ncaj dua li lub kaum ntse ntse ntawm lub kaum ntse ntse, lub kaum sab xis zoo dua, tab sis nws yooj yim kos cov tawv nqaij txhuas thiab ua rau daim tawv nqaij aluminium tawg. Feem ntau, 4 hli txhuas-yas phaj tuaj yeem siv nrog 6 # cutter taub hau.
