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2. Active fire protection - Wikipedia

   en.wikipedia.org/wiki/Active_fire_protection

   A typical automatic sprinkler system operates when heat at the site of a fire causes a fusible link or glass component in the sprinkler head to fail, thereby releasing the water from the sprinkler head. [5] This means that only the sprinkler heads at the fire location actuate – not all the sprinklers on a floor or in a building.

3. Fire suppression system - Wikipedia

   en.wikipedia.org/wiki/Fire_suppression_system

   Fire sprinkler systems are extensively used worldwide, with over 40 million sprinkler heads fitted each year. In buildings completely protected by fire sprinkler systems, over 96% of fires were controlled by fire sprinklers alone. [4]

4. Glossary of firefighting equipment - Wikipedia

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

   The prevents the hydrant from freezing in sub-zero temperatures. A dry hydrant is also an unpressurized pipe that can be used to draft (or draw) water from a pond or lake. Dry powders Fire extinguishing agents for use on flammable metals. Each agent is typically designed for use on either a single metal or very similar metals. Dry sprinkler

5. 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.

6. Standpipe (firefighting) - Wikipedia

   en.wikipedia.org/wiki/Standpipe_(firefighting)

   External access point for fire sprinkler and dry standpipe at a building in San Francisco, US Antique wet standpipe preserved at Edison and Ford Winter Estates. A standpipe or riser is a type of rigid water piping which is built into multi-story buildings in a vertical position, or into bridges in a horizontal position, to which fire hoses can be connected, allowing manual application of water ...

7. College Football Playoff format: Bowl game times, dates and ...

   www.aol.com/college-football-playoff-format-bowl...

   The final rankings for the College Football Playoff are days from being released. Here are the bowls that make up the newly formatted CFP.

8. 'Nothing nefarious': Biden seeks to reassure US over drone ...

   www.aol.com/nothing-nefarious-biden-seeks...

   A puzzling flurry of apparent drone sightings along the US east coast is "nothing nefarious", says President Joe Biden. The sightings in recent weeks have occurred in New Jersey and a number of ...

9. 22 arrested in Pennsylvania in connection to alleged human ...

   www.aol.com/22-arrested-pennsylvania-connection...

   Twenty-two people were arrested in Pennsylvania in connection to a human trafficking operation tied to two massage businesses, officials said.. The District Attorney for Cumberland County ...