Qhov twg haum rau HVLS kiv cua?

Daim ntawv thov

Qhov chaw uas yuav tsum tau muaj huab cua siab tshaj plaws (ua liaj ua teb, Tsiaj Husbandry Facilities)

Cov tsev loj nrog cov qab nthab siab (Warehouses, Hangars, Industrial Facilities, Malls, Shopping Centers, Sports Halls)

Cov chaw muaj neeg coob coob tuaj ua ke (Centertaining Centers, Cafeterias, Libraries, Museums, Theatre, Opera, Concert Halls, Fair Exhibition Centers, Showrooms)