1. Nws tus kheej loading qhob tov khoom, uas yuav txuag tau 3 lub zog thiab 100 kw.h txhua hnub, vim nws tsis xav tau tov khoom, qhob tsheb thauj khoom thiab lub tshuab thauj khoom.
2. Lub rooj ua haujlwm cab tuaj yeem tig tau, thiab cov khoom sib tov tuaj yeem tsav ob-directionally Nws yooj yim dua.
3. Kev ua haujlwm pov tseg tuaj yeem ua rau kev tshem tawm ntau dua thiab nrawm dua.
4. Nws yooj yim dua thiab nrawm dua ntxiv dej nrog lub twj tso kua mis nws tus kheej.