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  2. Pull switch - Wikipedia

    en.wikipedia.org/wiki/Pull_switch

    One type would switch to closed (alternatively open) already during the initial pull in the string. The other type would switch to closed (or open) only when releasing after a full pull. With the first type, the weight of the string and handle could accidentally switch the load intermittently on and off, when still around the initial position ...

  3. Sail switch - Wikipedia

    en.wikipedia.org/wiki/Sail_switch

    A sail switch, vane switch or flow switch is a mechanical switch that is actuated on or off in response to the flow or non-flow of a fluid such as air or water. [1] A sail switch typically operates through the use of a paddle or a diaphragm which gets displaced due to the force of fluid or air moving past it.

  4. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. A thermostat can often be the main control unit for a heating or cooling system, in applications ranging from ambient air control to automotive coolant control.

  5. HGTV Fans Can't Get Over Jonathan Knight's Heated Cat House - AOL

    www.aol.com/hgtv-fans-cant-over-jonathan...

    The Farmhouse Fixer and NKOTB star shared the safe space he created for a feral cat by his house.

  6. Attempted murder arrest after car hits four people - AOL

    www.aol.com/attempted-murder-arrest-car-hits...

    Police are treating it as an isolated incident and said was not terror-related. A Met Police spokesperson said officers were called to "reports of a road traffic collision and a car driving on the ...

  7. The College Football Playoff is already broken. Matt Hayes is ...

    www.aol.com/college-football-playoff-already...

    It's already broken and bombing. That doesn't mean the CFP can't be fixed with the right plan.

  8. Power symbol - Wikipedia

    en.wikipedia.org/wiki/Power_symbol

    The switch does not fully disconnect the device from its power supply. This may appear on a toggle switch opposite a power on symbol, alone on a pushbutton that places the device into a standby state, or alone on a button that switches between on and standby. Alternatively, under IEEE 1621, this symbol simply means "power". [9]

  9. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    The safety interlock switch is at the bottom left. In the lower middle is the capacitor . Heating, ventilation, and air conditioning ( HVAC ) is the use of various technologies to control the temperature , humidity , and purity of the air in an enclosed space.