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  2. Fire sprinkler system - Wikipedia

    en.wikipedia.org/wiki/Fire_sprinkler_system

    Fire sprinkler system. A glass bulb type sprinkler head will spray water into the room if sufficient heat reaches the bulb and causes it to shatter. Sprinkler heads operate individually. Note the red liquid in the glass bulb. A fire sprinkler system is an active fire protection method, consisting of a water supply system providing adequate ...

  3. Fire sprinkler - Wikipedia

    en.wikipedia.org/wiki/Fire_sprinkler

    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. In buildings protected by properly ...

  4. Wormald International - Wikipedia

    en.wikipedia.org/wiki/Wormald_International

    Wormald is an Australian fire protection brand founded in 1889. Founded as an importer and distributor of fire doors and fire sprinklers, it grew over the decades into a diversified manufacturer of steel and metal products as well as a leader in the fire protection industry in Australia and New Zealand. Valued at US$1 billion by 1990, it was ...

  5. SimplexGrinnell - Wikipedia

    en.wikipedia.org/wiki/SimplexGrinnell

    www.tycosimplexgrinnell.com. SimplexGrinnell, a subsidiary of Johnson Controls, is an American company specializing in active fire protection systems, communication systems and testing, inspection and maintenance services. The company headquarters is in Boca Raton, Florida; corporate sales and marketing offices are in Westminster, Massachusetts ...

  6. Frederick Grinnell - Wikipedia

    en.wikipedia.org/wiki/Frederick_Grinnell

    Grinnell licensed a sprinkler device patented by Henry S. Parmalee, then worked to improve the invention, and in 1881 patented the automatic sprinkler that bears his name. [2] He continued to improve the device and in 1890 invented the glass disc sprinkler, essentially the same as that in use today. Such sprinklers are called le Grinnell in ...

  7. AOL Mail for Verizon Customers - AOL Help

    help.aol.com/products/aol-mail-verizon

    Call live aol support at. 1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more.

  8. Grinnell Mechanical Products - Wikipedia

    en.wikipedia.org/wiki/Grinnell_Mechanical_Products

    Grinnell grooved products have a 10-year limited warranty for most products, except for the G-MINE line of products, which are warranted for six months. The company’s fire protection products comprise rigid and flexible couplings, full and short pattern grooved elbows and tees, and a variety of valves and accessories. [2]

  9. What is the birthstone for October? Hint: There's actually two.

    www.aol.com/birthstone-october-hint-theres...

    October birthstone. October has two birthstones: opal and tourmaline. Opal is the traditional birthstone for October. It is believed the stone was discovered in India and given the name " upala ...

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