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A crash bar (also known as a panic exit device, panic bar, or bump bar) [1] [2] is a type of door opening mechanism which allows users to open a door by pushing a bar. While originally conceived as a way to prevent crowd crushing in an emergency, crash bars are now used as the primary door opening mechanism in many commercial buildings.
Models: M48, M48A1, M48A2 (either 0.05 or 0.15 second Delay), & M48A3 (0.05 second delay). M51 point detonating (PD) fuze: selective powder train burning fuze that can be set to super quick or delay ignition after impact. It is a modification of the M48 fuze with the addition of a booster charge. Models: M51A4, M51A5 (M48A3 Fuze with M21A4 ...
This button usually has a timer that, once the button is pressed, keeps the lock unlocked for either 15 or 30 seconds in accordance with NFPA fire codes. Additionally a second release is required by fire code. [5] Either a motion sensor or crash bar with internal switch is used to unlock the door on the egress side of the door automatically.
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An anti-intrusion bar or beam is a passive safety device, installed in most cars and other ground vehicles, which must protect passengers from side impacts. [1] Side impacts are particularly dangerous for two reasons: a) the location of impact is very close to the passenger, who can be immediately reached by the impacting vehicle; b) in many side-impact accidents, the impacting vehicle may be ...
Warrants give the holder the right to buy a company's stock at a set "strike" price and date. Musk's Aug. 7, 2018 tweet that he might take Tesla private at $420 per share and had "funding secured ...
Taylor Swift is giving fans a glimpse inside her much-talked-about Eras Tour "cleaning cart.". On Wednesday, Dec. 11, Swift, 34, shared a carousel of photos on Instagram from her time onstage ...
Current design practice is for the bumper structure on modern automobiles to consist of a plastic cover over a reinforcement bar made of steel, aluminum, fiberglass composite, or plastic. [9] Bumpers of most modern automobiles have been made of a combination of polycarbonate (PC) and acrylonitrile butadiene styrene (ABS) called PC/ABS.
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