Some alarm systems are tied to video surveillance systems so that current video of the intrusion area can be instantly displayed on a remote monitor, not to mention recorded. Some alarm systems use real-time audio and video monitoring technology to verify the legitimacy of an alarm.
Pipe(noun) any long tube or hollow body of wood, metal, earthenware, or the like: especially, one used as a conductor of water, steam, gas, etc. Pipe(noun) a small bowl with a hollow steam, -- used in smoking tobacco, and, sometimes, other substances.
Spluttering faucets are the primary indicator of air pockets in a building's water lines. This is an annoyance but is not dangerous. In some cases, however, the gas trapped in the pipes is methane rather than air. Methane is naturally present in many well systems and is not dangerous unless it accumulates in the pipes.