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2. Fire sprinkler system - Wikipedia

   en.wikipedia.org/wiki/Fire_sprinkler_system

   A sign warns hotel guests not to hang items from fire sprinklers. Each closed-head sprinkler is held closed by either a heat-sensitive glass bulb or a two-part metal link held together with fusible alloy. The glass bulb or link hold in place a "pip cap" which acts as a plug to prevent water from flowing, unless the ambient temperature around ...

3. Fire sprinkler - Wikipedia

   en.wikipedia.org/wiki/Fire_sprinkler

   A fire sprinkler mounted on a ceiling. A fire sprinkler or sprinkler head is the component of a fire sprinkler system that discharges water when the effects of a fire have been detected, such as when a predetermined temperature has been exceeded. Fire sprinklers are extensively used worldwide, with over 40 million sprinkler heads fitted each year.

4. Glossary of firefighting equipment - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_firefighting...

   A sprinkler system having pressurized air (rather than water) in the distribution pipes until a heat-activated sprinkler head opens and releases the stored air pressure, which in turn opens the main water valve (and possibly an accelerator valve) to flow water to the open sprinkler(s); used where the protected premises are not heated during ...

5. Impact sprinkler - Wikipedia

   en.wikipedia.org/wiki/Impact_sprinkler

   Impact sprinkler head. An impact sprinkler (sometimes called an impulse sprinkler) is a type of irrigation sprinkler in which the sprinkler head, driven in a circular motion by the force of the outgoing water, pivots on a bearing on top of its threaded attachment nut. Invented in 1933 by Orton Englehart, it quickly found widespread use.

6. Sprinkler fitting - Wikipedia

   en.wikipedia.org/wiki/Sprinkler_fitting

   Sprinkler fitting is a skilled trade that consists of assembling, installing, testing, repairing, inspecting, and certifying automatic fire suppression systems and their associated piping in commercial, industrial and residential buildings.

7. Where to watch NFL Thanksgiving games: Kickoff times, TV ...

   www.aol.com/where-watch-nfl-thanksgiving-games...

   NFL fans are gearing up for one of the best holiday traditions in sports. The league is set to kick off its playoff push with three Thanksgiving games, featuring several teams vying for playoff spots.