1. Hom ua haujlwm hnyav.
2. Lub tshuab khov kho nrog cov hlau tsis xeb.
3. Qhov seem khoov rau qhov siab tshaj plaws
4. Ntau qhov sib txawv ntawm qhov khoov rau ntau yam haujlwm.
COV LUS QHIA:
| QAUV | NTEV | TUAB | Lub kaum sab xis | DAIM NTAWV TEEV KHOOM | N/G Qhov Hnyav |
| W1.0X610Z | 610 | 1.0 | 0-135° | 86x35x44 | 54/63 |
| W1.5X915Z | 815 | 1.5 | 0-135° | 117x40x58 | 106/123 |
| W1.5X1220Z | 1220 | 1.5 | 0-135° | 161x48x68 | 151/180 |
| W1.5X1260A | 1260 | 1.5 | 0-135° | 161x48x69 | 133/151 |