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2. Safety cabinet - Wikipedia

   en.wikipedia.org/wiki/Safety_cabinet

   For example, a Type 30 BS EN cabinet will guarantee 30 minutes of safety before the internal temperature becomes critical. A Type 90 BS EN cabinet offers maximum safety with 90 minutes protection. For flammable liquids and solids, this temperature rise is 180 °C (K) and for pressurized gas cylinders, the permissible temperature rise is 50 °C (K).

3. Gas cabinet - Wikipedia

   en.wikipedia.org/wiki/Gas_cabinet

   Different types of gas cabinets can be used, depending on the gas type in the cylinder. Automatic gas cabinets with multiple sensors are useful and fulfill many other requirements. A gas cabinet can also be manufactured specifically for a company's needs and at lower cost. It is required that a gas cabinet is used for fire safety for gas cylinders.

4. Door closer - Wikipedia

   en.wikipedia.org/wiki/Door_closer

   Modern manual door closer Eclipse door spring and separate checking mechanism. A door closer is a mechanical device that regulates the speed and action of a door’s swing. [1] Manual closers store the force used to open the door in some type of spring and reuse it to close the door. Automatic types use electricity to regulate door swing behavior.

5. Ceiling balloon - Wikipedia

   en.wikipedia.org/wiki/Ceiling_balloon

   A fully inflated ceiling balloon A ceiling balloon cabinet Close up of the filler stand Regulator valve and pressure gauges attached to helium cylinder. A ceiling balloon also called a pilot balloon or pibal, is used by meteorologists to determine the height of the base of clouds above ground level during daylight hours.

6. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   firefox-startpage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

7. Electromagnetic door holder - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_door_holder

   The door holders release, allowing the doors to close automatically using door closers. [1] [2] The electric power to keep the doors open is typically 12 VDC, 24 VDC (common), 24 VAC, 120 VAC, or 240 VAC. The closed doors may or may not mechanically latch or lock in the closed position.