Ua rau stamping khib nyiab tsim los ntawm hlau stamping

1. Cov khoom siv raw khoom tsis zoo;

2. Kev teeb tsa tsis raug, hloov kho thiab siv qhov tuag;

3. Tus neeg teb xov tooj tsis pub cov strips kom raug raws qhov chaw los yog tsis tau lees tias cov strips tau pub rau hauv qhov sib txawv;

4. Vim yog siv lub sijhawm ntev ntawm qhov tuag, qhov sib txawv hloov lossis hnav ntawm nws cov khoom ua haujlwm thiab cov lus qhia;

5. Vim muaj kev cuam tshuam thiab kev vibration ntawm cov tuag ntev dhau lawm, lub loosening ntawm fastening qhov chaw ua rau cov txheeb ze hloov ntawm installation txoj hauj lwm ntawm cov tuag;

6. Tus neeg teb xov tooj' kev tsis saib xyuas thiab tsis ua raws li cov txheej txheem khiav haujlwm.