Thaum twg hluav taws kub hydrants pib

1. Kev siv cov hluav taws kub hnyiab tau pib thaum xyoo 1800s hauv London, qhov twg thawj qhov kev siv dej rau pej xeem tau teeb tsa.

2. Cov hluav taws kub hnyiab tau ntes tau sai sai hauv lwm lub nroog loj thoob ntiaj teb, suav nrog Paris, New York City, thiab Boston.

3. Kev tsim kho ntawm cov hluav taws xob niaj hnub, uas muaj lub zog valve thiab cov khoom siv dej siab, tau txais patented hauv Tebchaws Meskas hauv xyoo 1803.

4. Cov hluav taws kub hnyiab tau ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv thiab tua hluav taws, ua rau cov neeg tua hluav taws tuaj yeem nkag mus tau yooj yim thiab yooj yim rau kev nkag mus rau cov dej khov kho.

5. Niaj hnub no, hluav taws kub hydrants yog ib qho tseem ceeb thiab ib feem tseem ceeb ntawm kev tsim kho hauv nroog niaj hnub, ua kom muaj kev nyab xeeb thiab kev nyab xeeb ntawm cov zej zog thoob ntiaj teb.