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2. Electret microphone - Wikipedia

   en.wikipedia.org/wiki/Electret_microphone

   An electret microphone is a microphone whose diaphragm forms a capacitor (historically-termed a condenser) that incorporates an electret. The electret's permanent electric dipole provides a constant charge Q on the capacitor. Sound waves move the diaphragm, changing the capacitance C, which produces a corresponding voltage change across the ...

3. Common ethanol fuel mixtures - Wikipedia

   en.wikipedia.org/wiki/Common_ethanol_fuel_mixtures

   Ethanol fuel mixtures have "E" numbers which describe the percentage of ethanol fuel in the mixture by volume, for example, E85 is 85% anhydrous ethanol and 15% gasoline. Low-ethanol blends are typically from E5 to E25, although internationally the most common use of the term refers to the E10 blend. Blends of E10 or less are used in more than ...

4. Microphone connector - Wikipedia

   en.wikipedia.org/wiki/Microphone_connector

   XLR connectors (mid-50s to today) Most commonly used on professional microphones, the common 3-pin XLR connector is a standard for transferring balanced audio among professional audio equipment. The 4-pin XLR is the standard connector for intercom headsets, such as systems made by Clear-Com and Telex. Two pins are used for the mono headphone ...

5. Detonating cord - Wikipedia

   en.wikipedia.org/wiki/Detonating_cord

   Detonating cord. Detonating cord (also called detonation cord, detacord, detcord, or primer cord) is a thin, flexible plastic tube usually filled with pentaerythritol tetranitrate (PETN, pentrite). With the PETN exploding at a rate of approximately 6,400 m/s (21,000 ft/s), any common length of detonation cord appears to explode instantaneously.

6. Audio multicore cable - Wikipedia

   en.wikipedia.org/wiki/Audio_multicore_cable

   An audio multicore cable (often colloquially referred to as a multicore, snake cable or snake) is a thick cable which usually contains 4–64 individual audio cables inside a common, sturdy outer jacket. Audio multicore cables are used to convey many audio signals between two locations, such as in audio recording, sound reinforcement, PA ...

7. Get Ready For The Great Outdoors With The Best Mosquito ... - AOL

   www.aol.com/lifestyle/ready-great-outdoors-best...

   After charging the device with the provided USB cable, simply place it in the center of your desired zone of protection and hit the power button. It takes about 15 minutes for the repellant to ...