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  2. Traffic cone - Wikipedia

    en.wikipedia.org/wiki/Traffic_cone

    Traffic cones, also called pylons, witches' hats, [1] [2] road cones, highway cones, safety cones, caution cones, channelizing devices, [3] construction cones, roadworks cones, or just cones, are usually cone-shaped markers that are placed on roads or footpaths to temporarily redirect traffic in a safe manner.

  3. Day shapes - Wikipedia

    en.wikipedia.org/wiki/Day_shapes

    Day shapes of standard and reduced sizes are both commercially available. Day shapes are commonly constructed from a light weight frame covered with fabric and are designed to be collapsible for ease of storage. A US Navy sailor lowers day shapes "ball, diamond, ball", signaling the end of restricted maneuvering

  4. Rotating cone tactile device - Wikipedia

    en.wikipedia.org/wiki/Rotating_cone_tactile_device

    Cone on the right hand side of the underside of a pelican crossing control box. A rotating cone tactile device is a haptic device used at traffic light controlled pedestrian crossings in the United Kingdom. It is used as a tactile signal for blind pedestrians to indicate that it is safe to cross the road. [1]

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  6. Timeline of United States inventions (1890–1945) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    1914 Traffic coneTraffic cones, also called toddlers, road cones, safety cones, construction cones, pylons, or witches' hats, are usually cone-shaped markers that are placed on roads or sidewalks to temporarily redirect traffic in a safe manner. Traffic cones were invented in 1914 by Charles P. Rudabaker.

  7. Mk 153 Shoulder-Launched Multipurpose Assault Weapon

    en.wikipedia.org/wiki/Mk_153_Shoulder-Launched...

    When the rocket is fired, the rocket propellant is expended entirely within the rocket encasement. This is the cause of the extremely loud and violent backblast. This backblast extends in a 90-meter, 60° cone to the rear of the weapon. The backblast is lethal out to 30 metres (98 ft) and still extremely dangerous to 90 metres (300 ft). [34]

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