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2. Intrinsic safety - Wikipedia

   en.wikipedia.org/wiki/Intrinsic_safety

   Intrinsically safe mobile phones must meet special battery design criteria in order to achieve UL, ATEX directive, or IECEx certification for use in explosive atmospheres. Only properly designed battery-operated, self-contained devices can be intrinsically safe by themselves. Other field devices and wiring are intrinsically safe only when ...

3. Leak detection - Wikipedia

   en.wikipedia.org/wiki/Leak_detection

   The primary purpose of leak detection systems (LDS) is to help pipeline controllers to detect and localize leaks. LDS provide alarms and display other related data to the pipeline controllers to assist decision-making. Pipeline leak detection systems can also enhance productivity and system reliability thanks to reduced downtime and inspection ...

4. Inherent safety - Wikipedia

   en.wikipedia.org/wiki/Inherent_safety

   Limit effects by design, location or transportation of equipment so that the worst possible condition produces less danger, e.g. gravity will take a leak to a safe place, the use of bunds. In terms of making plants more user-friendly Kletz added the following: [4] Avoiding knock-on effects; Making incorrect assembly impossible; Making status clear;

5. Gas detector - Wikipedia

   en.wikipedia.org/wiki/Gas_detector

   A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave. This type of device is important because there are many gases that can be harmful to organic life, such as humans or animals. Gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen depletion.

6. Infrared open-path detector - Wikipedia

   en.wikipedia.org/wiki/Infrared_open-path_detector

   An open path detector usually costs more than a single point detector, so there is little incentive for applications that play to a point detector's strengths: where the point detector can be placed at the known location of the highest gas concentration, and a relatively slow response is acceptable. The open path detector excels in outdoor ...

7. 3rd Grader Faces Criminal Charge After Making Multiple School ...

   www.aol.com/lifestyle/3rd-grader-faces-criminal...

   A third grader is facing a criminal charge after reportedly making bomb threats against two Ohio schools. Using a fake Facebook account, the girl allegedly claimed bombs had been planted inside ...