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2. Fire sprinkler system - Wikipedia

   en.wikipedia.org/wiki/Fire_sprinkler_system

   Each closed-head sprinkler is held closed by either a heat-sensitive glass bulb or a two-part metal link held together with fusible alloy. The glass bulb or link hold in place a "pip cap" which acts as a plug to prevent water from flowing, unless the ambient temperature around the sprinkler reaches the design activation temperature of the ...

3. Victaulic - Wikipedia

   en.wikipedia.org/wiki/Victaulic

   Victaulic is a developer and manufacturer of mechanical pipe joining systems, and the originator of the grooved pipe couplings joining system. [1] The firm is a global company with 15 major manufacturing facilities, 28 branches, and over 3600 employees worldwide.

4. 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.

5. AOL reviewed: The Flaus is like an electric toothbrush but ...

   www.aol.com/lifestyle/flaus-electric-flosser...

   Flaus describes its flosser as an “electric toothbrush, but for flossing.” It has a long handle that can reach all the way to your back teeth, but instead of a brush at the top, it has a ...

6. Turk's head brush - Wikipedia

   en.wikipedia.org/wiki/Turk's_head_brush

   The "Turk's head" brush design (top) prevents the stem coming into contact with the surface being cleaned. A Turk's head brush is a type of cleaning brush where the bristles are arranged covering the end of the stem as a half-sphere, so that the end of the stem does not come into direct contact with the surface being cleaned, especially when cleaning the inside of a cylindrical object.

7. Sonicare - Wikipedia

   en.wikipedia.org/wiki/Sonicare

   The brush head vibrates at hundreds of times per second, with the latest models at 31,000 strokes per minute (517 Hz) or 62,000 movements per minute [1] (1033 Hz). Rather than connecting to its charger with conductors, it uses inductive charging —the charger includes the primary winding of the voltage-reducing transformer and the handle of ...

8. Frank Auerbach – The Charcoal Heads review: 23 ... - AOL

   www.aol.com/news/frank-auerbach-charcoal-heads...

   Frank Auerbach – The Charcoal Heads review: 23 drawings, one epic experience ... February 8, 2024 at 4:00 AM. Head of EOW, 1956 charcoal (left) and Head of Leon Kossoff, 1956-57, charcoal and ...

9. Brush discharge - Wikipedia

   en.wikipedia.org/wiki/Brush_discharge

   Comparison of brush discharge (left) and corona discharges (right) from a Tesla coil Closeup of a Tesla coil brush discharge, showing its filamentous nature. A brush discharge is an electrical disruptive discharge similar to a corona discharge that takes place at an electrode with a high voltage applied to it, embedded in a nonconducting fluid ...