Kev ceev faj thaum siv cov pob txha txiav

1. Ua ntej siv lub tshuab koj nyuam qhuav yuav rov qab, koj yuav tsum ua tib zoo nyeem phau ntawv qhia, thiab nkag siab thiab paub koj tus kheej nrog txoj kev ua haujlwm thiab kev ua haujlwm ntawm lub tshuab ua ntej siv.

2. After the knife is blunt, you can use a sharpening rod to sharpen the knife and then sharpen the knife. Pay attention to safety when sharpening the knife.

3. Thaum ntxuav lub tshuab, ceev faj kom tsis txhob txaws dej ntawm cov hlua hluav taws xob kom tsis txhob muaj hluav taws xob luv luv thiab kev puas tsuaj rau cov khoom siv.

4. Rau lub zog, zawv zawg shafts thiab lwm qhov chaw, tsis tu ncua xyuas cov roj lubricating kom muaj lubrication txaus, uas tuaj yeem txo cov khoom hnav thiab ua rau lub neej ntev.