How to use fire fighting hydrant? 1 Secured Engineers 2023年11月3日 13:18 Fire hydrants, for fire fighting purposes, are essential for connecting hoses and completing water supplies to deal with fires effectively. #fire #firealarm #firecontractors #firesafety #firefighting #fireservices #firehydrants #fireconsultants 1 この記事が気に入ったらサポートをしてみませんか? サポート