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  2. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    A fire alarm control panel Fire alarm speaker and pull station. Fire alarm systems are composed of several distinct parts: Fire alarm control panel (FACP), or fire alarm control unit (FACU): This component, the hub of the system, monitors inputs and system integrity, controls outputs, and transmits information.

  3. Bulkhead (partition) - Wikipedia

    en.wikipedia.org/wiki/Bulkhead_(partition)

    Bulkheads were known to the ancient Greeks, who employed bulkheads in triremes to support the back of rams. By the Athenian trireme era (500 BC), [1] the hull was strengthened by enclosing the bow behind the ram, forming a bulkhead compartment. Instead of using bulkheads to protect ships against rams, Greeks preferred to reinforce the hull with ...

  4. Girder - Wikipedia

    en.wikipedia.org/wiki/Girder

    A girt is a vertically aligned girder placed to resist shear loads. Small steel girders are rolled into shape. Larger girders (1 m/3 feet deep or more) are made as plate girders, welded or bolted together from separate pieces of steel plate. [2] The Warren type girder replaces the solid web with an open latticework truss between the flanges ...

  5. Glossary of firefighting equipment - Wikipedia

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

    An alarm device that signals that a firefighter is in trouble. It can be activated manually by the firefighter, or activates automatically if the firefighter stops moving. May be integral to SCBA or separately activated. Also known as a PASS device (personal alert safety system) or PDA (personal distress alarm). Aerial fire apparatus

  6. Boat building - Wikipedia

    en.wikipedia.org/wiki/Boat_building

    A subdivision of the sheet plywood boat building method is known as the stitch-and-glue method, [8] where pre-shaped panels of plywood are drawn together then edge glued and reinforced with fibreglass without the use of a frame. [9] Metal or plastic ties, nylon fishing line or copper wires pull curved flat panels into three-dimensional curved ...

  7. SimplexGrinnell - Wikipedia

    en.wikipedia.org/wiki/SimplexGrinnell

    Simplex's time-division began to lose market share, but their newly founded fire alarm division significantly prospered. In 1970, Simplex introduced conventional control panels . In 1979, Simplex introduced the industry's first networked multiplex building control system that was capable of handling fire alarm, security, HVAC, synchronized time ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Fire alarm (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_(disambiguation)

    A fire alarm is an alarm that warns people about a fire. Fire alarm may also refer to: Fire alarm control panel, a controlling component; Manual fire alarm activation, a pull station; Fire alarm call box, a device used for notifying a fire department; Fire alarm notification appliance, an active fire protection component

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