a) Ua los ntawm cov hlau hnyav nrog cov hmoov txheej ruaj khov, uas ua kom lub neej ntev hauv cov chaw tsim khoom.
b) Daim ntawv ceeb toom lus Askiv. Lwm hom lus tuaj yeem ua raws li kev cai.
| Tshooj No. | Kev piav qhia |
| PLS01 | 140mm (L) × 40mm (W) × 80mm (H), tuaj yeem haum 5 lub xauv. |
| PLS02 | 270mm (L) × 40mm (W) × 80mm (H), tuaj yeem haum 10 lub xauv. |
| PLS03 | 400mm (L) × 40mm (W) × 80mm (H), tuaj yeem haum 15 lub xauv. |
| PLS04 | 530mm (L) × 40mm (W) × 80mm (H), tuaj yeem haum 20 lub xauv. |

