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  2. Stack light - Wikipedia

    en.wikipedia.org/wiki/Stack_light

    Stack light in automated production for in-line quality inspection. Stack lights (also known as signal tower lights, indicator lights, andon lights, warning lights, industrial signal lights, or tower lights) are commonly used on equipment in industrial manufacturing and process control environments to provide visual and audible indicators of a machine's status to machine operators, technicians ...

  3. Command & Conquer: Red Alert - Wikipedia

    en.wikipedia.org/wiki/Command_&_Conquer:_Red_Alert

    In 1997, two expansion packs for Red Alert were released for the PC, Command & Conquer: Red Alert: Counterstrike and Command & Conquer: Red Alert: The Aftermath. The expansion packs were designed by Westwood Studios with the "apprenticeship" of Intelligent Games, a London-based game developer. Much of the development on multiplayer maps was ...

  4. Homeland Security Advisory System - Wikipedia

    en.wikipedia.org/wiki/Homeland_Security_Advisory...

    In the United States, the Homeland Security Advisory System (HSAS) was a color-coded terrorism threat advisory scale created in March 2002 under the Bush administration in response to the September 11 attacks. The different levels triggered specific actions by federal agencies and state and local governments, and they affected the level of ...

  5. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    A fire alarm notification appliance as widely used under North American standards. A fire alarm system is a building system designed to detect, alert occupants, and alert emergency forces of the presence of fire, smoke, carbon monoxide, or other fire-related emergencies. Fire alarm systems are required in most commercial buildings.

  6. Fire alarm notification appliance - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_notification...

    Fire alarm notification appliance. A fire alarm notification appliance is an active fire protection component of a fire alarm system. A notification appliance may use audible, visible, or other stimuli to alert the occupants of a fire or other emergency condition requiring action. Audible appliances have been in use longer than any other method ...

  7. Engine-indicating and crew-alerting system - Wikipedia

    en.wikipedia.org/wiki/Engine-indicating_and_crew...

    Saab 2000 EICAS on the two central screens. An engine-indicating and crew-alerting system ( EICAS) [1] is an integrated system used in modern aircraft to provide aircraft flight crew with instrumentation and crew annunciations for aircraft engines and other systems. On EICAS equipped aircraft the "recommended remedial action" is called a checklist.

  8. Command & Conquer: Yuri's Revenge - Wikipedia

    en.wikipedia.org/wiki/Command_&_Conquer:_Yuri's...

    In Command & Conquer: Yuri's Revenge, the story starts off assuming that the Allies were victorious in Red Alert 2.The game begins with the White House announcing DEFCON 2 status, as Yuri, the former head of the Soviet Psychic Corps, plans to take over the world through mind control, accomplished by activating a secretly built network of Psychic Dominators around the world.

  9. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, and some additional codes used in some common applications of the HTTP. The first digit of the status ...