Melt tshuab ntaub khoom siv slitter hniav slitting cardboard tail deflection:

1. Kev kho tsis raug ntawm cov hniav pub tso baffle.

2. Cov hniav yog blunt dhau ib pliag, uas txawv ntawm cov kab nrawm ntawm lwm cov hniav.

3. Kev hloov tsis raug ntawm daim ntawv qhia cov menyuam ntawm cov hniav.

4. Kev pub mis tsis raug ntawm cov hniav.