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  2. Glass breaker - Wikipedia

    en.wikipedia.org/wiki/Glass_breaker

    Handheld glass breaker with a built-in seatbelt cutter.. A glass breaker is a hand tool designed to break through a window glass in an emergency. It is a common safety device found in vehicles to aid in the emergency extrication of occupants from a vehicle, as well as in some buildings.

  3. Ninja rocks - Wikipedia

    en.wikipedia.org/wiki/Ninja_rocks

    Ninja rocks take advantage of the physical properties of tempered glass, disrupting surface compressive stress and causing the glass to shatter. Tempered glass, which is used for the side windows of most vehicles, is manufactured with an extremely high surface compressive stress and high internal tensile stress. This gives it strength and ...

  4. 1996 Maryland train collision - Wikipedia

    en.wikipedia.org/wiki/1996_Maryland_train_collision

    Emergency responders were unable to open the doors of the lead passenger car. Passengers in other cars reported trying to break the window glass but being unable to do so. [5] The NTSB found the existing emergency egress standards for passenger cars were inadequate and recommended multiple changes, including: [3]: 74–75

  5. Collision avoidance system - Wikipedia

    en.wikipedia.org/wiki/Collision_avoidance_system

    "Pre sense" autonomous emergency braking system uses twin radar and monocular camera sensors [22] and was introduced in 2010 on the 2011 Audi A8. [23] "Pre sense plus" works in four phases. The system first provides warning of an impending accident, activating hazard warning lights, closing windows and sunroof, and pre-tensioning front seat belts.

  6. Emergency vehicle - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle

    A police van and an ambulance in Thuringia, Germany in 2013. An emergency vehicle is a vehicle used by emergency services.Emergency vehicles typically have specialized emergency lighting and vehicle equipment that allow emergency services to reach calls for service in a timely manner, transport equipment and resources, or perform their tasks efficiently.

  7. Tempered glass - Wikipedia

    en.wikipedia.org/wiki/Tempered_glass

    Tempered glass is used for its safety and strength in a variety of applications, including passenger vehicle windows (apart from windshield), shower doors, aquariums, architectural glass doors and tables, refrigerator trays, mobile phone screen protectors, bulletproof glass components, diving masks, and plates and cookware.