Cov ntawv thov:
| Lub npe khoom | ntau yam ntawm daim ntawv thov |
| Daim kab xev nplaum | Siv rau daim kab xev nplaum, daim ntawv lo, zaj duab xis tiv thaiv thiab lwm yam khoom nplaum kom tswj tau qhov kev sim zog nplaum. |
| Daim kab xev kho mob | Kev kuaj xyuas qhov nplaum ntawm daim kab xev kho mob. |
| Daim nplaum uas nplaum tau tus kheej | Cov nplaum uas nplaum tau tus kheej thiab lwm yam khoom nplaum cuam tshuam tau raug sim rau kev nplaum ntev. |
| Daim ntawv kho mob | Lub tshuab ntsuas viscosity thawj zaug yog siv los ntes qhov kev xeem viscosity ntawm daim ntawv kho mob, uas yooj yim rau txhua tus siv kom muaj kev nyab xeeb. |
1. Lub pob hlau sim uas tsim los raws li cov qauv hauv tebchaws ua kom cov ntaub ntawv sim raug siab.
2. Lub hauv paus ntsiab lus ntawm kev sim ntawm lub dav hlau dov pob yog saws, uas yooj yim rau kev khiav lag luam
3. Lub kaum sab xis ntawm qhov kev sim tuaj yeem hloov kho tau raws li qhov xav tau ntawm cov neeg siv
4. Kev tsim qauv ntawm tus neeg kuaj viscosity thawj zaug, kev ua haujlwm zoo dua