Hluav Taws Kub Dej Kev Muag Khoom

Hluav taws kub hydrant zoo heev txhim kho kev ua tau zoo thiab kev vam meej ntawm kev tua hluav taws hauv nroog. Thaum muaj hluav taws kub, cov neeg ua haujlwm cawm tau yooj yim tshem tawm cov dej los ntawm lub hydrant los ntawm kev txuas nws yooj yim. Cov txheej txheem no feem ntau siv sijhawm li ob peb feeb xwb, yog li lub hydrant tuaj yeem muab kev lees paub rau cov neeg tua hluav taws los teb sai sai rau qhov hluav taws kub.