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2. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   An example of a British corded pull switch. A light switch combined with a light socket is sometimes installed in basement or utility areas of homes. The switch is operated by a pull chain or cord. It is also possible to have the cord-operated switch separate from the light socket, which is particularly common in British bathrooms.

3. Child safety lock - Wikipedia

   en.wikipedia.org/wiki/Child_safety_lock

   A child safety lock is a special-purpose lock for cabinets, drawers, bottles, etc. that is designed to help prevent children from getting at any dangerous things or contents. Young children are naturally curious about their surroundings and will always explore, but as they may be unaware of dangerous substances or situations, the results can be ...

4. Traffic light control and coordination - Wikipedia

   en.wikipedia.org/wiki/Traffic_light_control_and...

   The various vehicle and pedestrian movements are separated in either time or space for safety and efficiency. The normal function of traffic lights requires more than sight control and coordination to ensure that traffic and pedestrians move as smoothly, and safely as possible. A variety of different control systems are used to accomplish this ...

5. Childproofing - Wikipedia

   en.wikipedia.org/wiki/Childproofing

   a plastic electrical outlet cover. One of the more common concerns of child safety is the potential for electrocution or serious injury when an object, such as a key or metal paper clip, is inserted into an electrical outlet. Many childproofing devices exist that block access to the electrical outlets.

6. Lighting control system - Wikipedia

   en.wikipedia.org/wiki/Lighting_control_system

   A complete sensor consists of a motion detector, an electronic control unit, and a controllable switch/relay. The detector senses motion and determines whether there are occupants in the space. [9] It also has a timer that signals the electronic control unit after a set period of inactivity. The control unit uses this signal to activate the ...

7. Mercury Grand Marquis - Wikipedia

   en.wikipedia.org/wiki/Mercury_Grand_Marquis

   Minor deletions included the removal of illuminated vanity mirrors for GS-trim vehicles and deleting "Grand Marquis" insignia on the center of the dash trim. In a functional change, drive-by-wire throttle control was introduced, and the cruise control function to the engine computer itself was relocated above the driver-side inner fender.