Koj puas paub txog lub kaum sab xis?

Feem ntau, Peb tuaj yeem yuav 3 hom cutter
30degree / 45degree / 60degree lub kaum sab xis ntawm lub khw.
Vinyl raws li cov khoom siv (cov ntaub ntawv nyuaj) siv 60degree kaum cutter,
PU raws li cov khoom siv (cov ntaub ntawv mos) siv 30 degree lub kaum sab xis cutter. ua