Qhov Chaw Nyob
1, hluav taws kub hydrants yuav tsum tau muab tso rau hauv txoj kev hauv tsev los yog chav tsev, xws li qhov chaw dav dav, feem ntau yuav nyob rau ntawm qhov chaw hauv phab ntsa, tsis tuaj yeem ua li cas zoo nkauj, yuav tsum muaj qhov cim qhov muag ("fire hydrant"), thiab tsis nyob hauv nws cov teeb meem thaiv teeb meem, kom tsis txhob cuam tshuam qhov qhib ntawm qhov hluav taws kub lub qhov rooj tua hluav taws.
2, hluav taws kub hydrants feem ntau tsis nyob rau hauv chav (xws li lub thawv), tsis yog nyob rau hauv cov kab nrog cov kev cai ntawm qhov hluav taws kub, thiab kuj tsis rau lub sij hawm cawm cov neeg tua hluav taws.