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  2. Automatic train stop - Wikipedia

    en.wikipedia.org/wiki/Automatic_train_stop

    Automatic train stop or ATS is a system on a train that automatically stops a train if certain situations occur (unresponsive train operator, earthquake, disconnected rail, train running over a stop signal, etc.) to prevent accidents.

  3. Battery holder - Wikipedia

    en.wikipedia.org/wiki/Battery_holder

    Battery types such as the 9-volt have snap-on contacts. Battery holders for zinc-air batteries must not be completely air-tight since approximately 1 litre of air is required per ampere-hour of discharge per cell. The battery holder may include a valve integrated with the device power switch to allow air to be admitted when the device is ...

  4. Disappearing gun - Wikipedia

    en.wikipedia.org/wiki/Disappearing_gun

    British 64 pounder rifled muzzle-loading (RML) gun on a Moncrieff disappearing mount, at Scaur Hill Fort, Bermuda The BL 8 inch disappearing gun of the South Battery, at North Head in Devonport, New Zealand A U.S. Coast Artillery battery with two guns on disappearing carriages Annotated photograph of an M1901 Buffington–Crozier disappearing carriage for an M1900 12-inch gun Inside a ...

  5. European Train Control System - Wikipedia

    en.wikipedia.org/wiki/European_Train_Control_System

    The specification was written in 1996 in response to EU Council Directive 96/48/EC99 [5] of 23 July 1996 on interoperability of the trans-European high-speed rail system. . First the European Railway Research Institute was instructed to formulate the specification and about the same time the ERTMS User Group was formed from six railway operators that took over the lead role in the specificat

  6. Seismic retrofit - Wikipedia

    en.wikipedia.org/wiki/Seismic_retrofit

    Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes.With better understanding of seismic demand on structures and with recent experiences with large earthquakes near urban centers, the need of seismic retrofitting is well acknowledged.

  7. Boston Air Route Traffic Control Center - Wikipedia

    en.wikipedia.org/wiki/Boston_Air_Route_Traffic...

    The sector also works Bradley departures that climb southwest bound into Sector 20, ALB arrivals proceeding to the north and other en route traffic on V58, V487, and V292. CTR 07 (Chester 07) - 127.650/257.925 Sector 07 works arrival traffic to the Bradley terminal area via the Albany VORTAC, the SWEDESTAR, and all departure traffic via Pawling ...

  8. 1994 Northridge earthquake - Wikipedia

    en.wikipedia.org/wiki/1994_Northridge_earthquake

    The Northridge Earthquake was the subject of the 1995 film Epicenter U., a first-hand account of healing from the natural disaster, directed by Alexis Krasilovsky. [71] [72] The Earthquake Haggadah (1995) was a video excerpt from Epicenter U. narrated by Wanda Coleman. Distributed in 3/4" and VHS by the Poetry Film Workshop circa 1998.

  9. Seismic code - Wikipedia

    en.wikipedia.org/wiki/Seismic_code

    Or in expanded version, "Earthquakes do not injure or kill people. Poorly built manmade structures injure and kill people". [1] Seismic codes were created and developed as a response to major earthquakes, including 1755 Lisbon, 1880 Luzon, and 1908 Messina [2] which have caused devastation in highly populated regions. Often these are revised ...

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