red fire pump in front of concrete wall. fire safety pump on cement floor of concrete building. deluge system of firefighting syst

architecture brass building cement concrete connect connection connections connector danger deluge emergency equipment extinguish extinguisher extinguishing factory fire firefighting floor flow front high hose hydrant industrial industry object outdoor outside pipe piping plant plug plumbing power pressure protection pump red safety security service services shape single sprinkler street syst system traditional tube valve wall water