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.
Definition of âsewerâ - English Dictionary. See all translations. uk â /sÊÉr/ us â /ËsuË.É/. âº a large pipe, usually underground, that is used for carrying waste water and human waste away from buildings to a place where they can be safely got rid of: a sewer pipe. A complicated system of sewers runs under the city.