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2. Flame detector - Wikipedia

   en.wikipedia.org/wiki/Flame_detector

   A flame detector is a sensor designed to detect and respond to the presence of a flame or fire, allowing flame detection.Responses to a detected flame depend on the installation, but can include sounding an alarm, deactivating a fuel line (such as a propane or a natural gas line), and activating a fire suppression system.

3. List of the United States military vehicles by model number

   en.wikipedia.org/wiki/List_of_the_United_States...

   M132A1 flame thrower, self-propelled, f-t, range 170 m, (M113A1 chassis) ... M5 ground-based common sensor carrier; M6 Linebacker anti-aircraft vehicle;

4. Flame ionization detector - Wikipedia

   en.wikipedia.org/wiki/Flame_ionization_detector

   Flame ionization detectors cannot detect inorganic substances and some highly oxygenated or functionalized species like infrared and laser technology can. In some systems, CO and CO 2 can be detected in the FID using a methanizer , which is a bed of Ni catalyst that reduces CO and CO 2 to methane, which can be in turn detected by the FID.

5. Construction of electronic cigarettes - Wikipedia

   en.wikipedia.org/wiki/Construction_of_electronic...

   The different kinds of trigger sensor or sensors used are acoustic, pressure, touch, capacitive, optical, Hall Effect or electromagnetic field. [42] Most devices have a manual push-button switch to turn them on or off. [6] E-cigarettes do not turn on by trying to "light" the device with a flame. [11]

6. Components of jet engines - Wikipedia

   en.wikipedia.org/wiki/Components_of_jet_engines

   For example, the General Electric F404-400 uses one igniter for the combustor and one for the afterburner; the ignition system for the A/B incorporates an ultraviolet flame sensor to de-activate the igniter after light-off on minimum fuel has been detected.

7. Flame supervision device - Wikipedia

   en.wikipedia.org/wiki/Flame_supervision_device

   For gas appliances, a flame supervision device (FSD) – alternative name: flame failure device (FFD) – is a general term for any device designed to stop flammable gas going to the burner of a gas appliance if the flame is extinguished. This is to prevent a dangerous buildup of gas within the appliance, its chimney or the room. [1]