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2. Power symbol - Wikipedia

   en.wikipedia.org/wiki/Power_symbol

   Power On (IEC 60417-5007) and Power Off (IEC 60417-5008) symbols are used to indicate positions of the rocker switch Power button marked with Standby symbol (IEC 60417-5009) turns the device on or off without fully disconnecting power supply. A power symbol is a symbol indicating that a control activates or deactivates a particular device.

3. Programmable logic controller - Wikipedia

   en.wikipedia.org/wiki/Programmable_logic_controller

   A programmable logic controller (PLC) or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, machines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis.

4. IEEE 1905 - Wikipedia

   en.wikipedia.org/wiki/IEEE_1905

   Push Button Join Notification (message type 0x000C) These messages are sent to all 1905.1 devices in the network. If the user configured passphrase/key is used, the user needs to type/remember only one sequence of US-ASCII characters (between 8 and 63) and the ALME will derive different security passwords for the different technologies through ...

5. Push switch - Wikipedia

   en.wikipedia.org/wiki/Push_switch

   A push switch (button) is a momentary or non-latching switch which causes a temporary change in the state of an electrical circuit only while the switch is physically actuated. An automatic mechanism (i.e. a spring ) returns the switch to its default position immediately afterwards, restoring the initial circuit condition.

6. Staircase timer - Wikipedia

   en.wikipedia.org/wiki/Staircase_timer

   A large push-button, distinctly larger than a normal electrical switch, is pressed manually. An internal mechanism provides the delay. The internal piston is depressed by the button and holds the electrical contacts closed. This piston is spring-loaded to return upwards but is prevented from returning quickly by a pneumatic dashpot.

7. College football winners and losers: Taking stock of the ...

   www.aol.com/sports/college-football-winners...

   Liberty: The loss to Kennesaw State almost assuredly ended any chance Liberty had of making the expanded College Football Playoff. After going undefeated a season ago and losing by 39 to Oregon in ...