02:10 00:16 #brass gate valve #valve brass #UL FM valve
00:34 #reflective vest #Fluorescent #safety vest
00:20 #Fire water monitor #electric fire monitor #fire water flow monitor
00:40 #bladder tank #Fire Bladder tank #firefighting system
00:37 #horizontal foam bladder tank #vertical foam bladder tank #Bladder Tank Proportioning System
00:16 #Pipeline gate valve #brass firefighting valve #UL FM valve
00:41 #firesprinkler #UL FM fire sprinkler #Fire sprinkler system