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2. Mini blind - Wikipedia

   en.wikipedia.org/wiki/Mini_blind

   Cordless blinds are the safest alternative, and recommend by the CPSC for homes where small children live or visit. [5] With cordless blinds, the dangling group of pull cords is replaced by a spring motor system. A push or pull on the bottom bar raises or lowers the mini blind rather than using pull cords. [citation needed]

3. Push-button telephone - Wikipedia

   en.wikipedia.org/wiki/Push-button_telephone

   A push-button telephone is a telephone that has buttons or keys for dialing a telephone number, in contrast to a rotary dial used in earlier telephones.. Western Electric experimented as early as 1941 with methods of using mechanically activated reeds to produce two tones for each of the ten digits and by the late 1940s such technology was field-tested in a No. 5 Crossbar switching system in ...

4. Window blind - Wikipedia

   en.wikipedia.org/wiki/Window_blind

   Various window blind styles. A window blind is a type of window covering. [1] There are many different kinds of window blinds which use a variety of control systems. A typical window blind is made up of several long horizontal or vertical slats of various types of hard material, including wood, plastic or metal which are held together by cords that run through the blind slats.

5. Reference designator - Wikipedia

   en.wikipedia.org/wiki/Reference_designator

   IEEE 200-1975 or "Standard Reference Designations for Electrical and Electronics Parts and Equipments" is a standard that was used to define referencing naming systems for collections of electronic equipment. IEEE 200 was ratified in 1975. The IEEE renewed the standard in the 1990s, but withdrew it from active support shortly thereafter.

6. Cord lock - Wikipedia

   en.wikipedia.org/wiki/Cord_lock

   They are also used in window blinds. They vary in size depending on the particular application, from 1–3 inches (25–76 mm) long. One of many variations of a cord lock was invented by Mark J. Krauss in 1986. [1]

7. Power door locks - Wikipedia

   en.wikipedia.org/wiki/Power_door_locks

   Pressing a button on the key unlocks all of the car doors. Another button locks the car. In 1980, Ford Motor Company introduced an external keypad-type keyless entry system, wherein the driver entered a numeric combination —either pre-programmed at the factory or one programmed by the owner— to unlock the car without the key.