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  2. Safety glass - Wikipedia

    en.wikipedia.org/wiki/Safety_glass

    Safety glass is glass with additional safety features that make it less likely to break, or less likely to pose a threat when broken. Common designs include toughened glass (also known as tempered glass), laminated glass, and wire mesh glass (also known as wired glass). Toughened glass was invented in 1874 by Francois Barthelemy Alfred Royer de ...

  3. Door closer - Wikipedia

    en.wikipedia.org/wiki/Door_closer

    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. Door closers can be linked to a building's fire and security alarm systems.

  4. Emergency exit - Wikipedia

    en.wikipedia.org/wiki/Emergency_exit

    An emergency exit in a building or other structure is a special exit used during emergencies such as fires. The combined use of regular and emergency exits allows for faster evacuation, and emergency exits provide alternative means of evacuation if regular exits are inaccessible. Emergency exits must: Be clearly marked (usually with signage ...

  5. Vision panel - Wikipedia

    en.wikipedia.org/wiki/Vision_panel

    Vision panel. Fire-resistance rated door, with wire mesh glass vision panel. A vision panel is a small window in a door which allows people to look through without opening the door. Vision panels are sometimes in walls, generally adjacent to a door. These have implications in safety, primarily to avoid opening doors on a person coming the other ...

  6. Late interception seals hard-fought Pittsburgh Steelers ... - AOL

    www.aol.com/interception-seals-hard-fought...

    The Pittsburgh Steelers overcame the New York Giants 26-18 on Monday night at Acrisure Stadium, on an evening defined by defensive plays and a moment of special team brilliance.

  7. Darvaza gas crater - Wikipedia

    en.wikipedia.org/wiki/Darvaza_gas_crater

    The Darvaza gas crater (Turkmen: Garagum ýalkymy), [1] also known as the Door to Hell or Gates of Hell officially, the Shining of Karakum, is a burning natural gas field collapsed into a cavern near Darvaza, Turkmenistan. [2] Hundreds of natural gas fires illuminate the floor and rim of the crater. The crater has been burning since the 1980s.

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