Chaw tsim tshuaj paus 3 Txoj Kev BS336 Poj Niam Connecotor Hluav Taws Xob Hydrant

Cov hluav taws kub sab nraum zoov yog cov khoom tseem ceeb ntawm kev tua hluav taws thiab feem ntau pom muaj nyob hauv cov chaw pej xeem xws li chaw ua si, txoj kev, thiab chaw ua lag luam. Cov hydrants no tau nruab nrog hoses thiab li qub uas tso cai rau cov neeg tua hluav taws kom yooj yim nkag mus rau dej thiab tua hluav taws thaum muaj xwm txheej ceev. Cov dej tua hluav taws sab nraum zoov feem ntau txuas nrog cov dej hauv nroog thiab tsim los muab cov dej ntws zoo ib yam rau cov neeg tua hluav taws. Lawv kuj feem ntau muaj xim-coded los qhia tus nqi ntawm cov dej ntws thiab siab muaj rau cov neeg tua hluav taws. Cov khoom siv yooj yim tab sis tseem ceeb no ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv pej xeem kev nyab xeeb thiab tiv thaiv kev puas tsuaj los ntawm hluav taws.