Nta:
1. Lub ntsiab cutting tam sim no yuav muab teev cia
2. Kev tswj tej kev kub ntxhov
3. Automatically ntes tej khoom kom paub tseeb unmanned plaub ntug
4. yooj yim thiab yooj yim rau siv
5. Nrog retracting muaj nuj nqi
6. Tsis muaj kev tiv thaiv me ntsis kev tiv thaiv me ntsis
- 200M barrier dawb transmission
- Hwj chim noj tsis haum
- yooj yim siv
