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2. List of British Rail Class 47 locomotives - Wikipedia

   en.wikipedia.org/wiki/List_of_British_Rail_Class...

   D1648 / 47064 / 47639 / 47851. The British Rail Class 47 or Brush Type 4 is a class of British railway diesel-electric locomotive that was developed in the 1960s by Brush Traction. A total of 512 Class 47s were built at Brush's Falcon Works in Loughborough and at British Railways' Crewe Works between 1962 and 1968, which made them the most ...

3. Yale (company) - Wikipedia

   en.wikipedia.org/wiki/Yale_(company)

   Yale is a lock manufacturer and a subsidiary of Assa Abloy. The company is headquartered in Stockholm, Sweden. Its initial product was the Yale lock, invented by Linus Yale Sr., and it became the foundation of the enterprise founded by Linus Yale Jr. and Henry R. Towne. Its markets were initially in the United States, and expanded across the ...

4. Swing-door operator - Wikipedia

   en.wikipedia.org/wiki/Swing-door_operator

   Types. There are 3 basic types of swing door operators: Full Energy – It opens and closes the door at full speed. Low Energy – It opens and closes the door at reduced speed to limit the kinetic energy of the moving door to levels deemed safe for disabled users. Power Assist – This is a version of the low-energy operator.

5. Norfolk and Western 2174 - Wikipedia

   en.wikipedia.org/wiki/Norfolk_and_Western_2174

   Norfolk and Western 2174 was a Y6b class 2-8-8-2 compound Mallet steam locomotive, built by the Norfolk and Western Railway's (N&W) own Roanoke Shops, in 1948.No. 2174 and the other Y6bs were notably some of the most powerful steam locomotives ever built, being able to pull heavy freight and coal trains, unassisted.

6. Door furniture - Wikipedia

   en.wikipedia.org/wiki/Door_furniture

   Door furniture (British and Australian English) or door hardware (North American English) refers to any of the items that are attached to a door or a drawer to enhance its functionality or appearance. Decorative door in Florence, Italy. Manual door closer. Use of a door handle in a hotel. Design of door furniture is an issue to disabled persons ...

7. Door loop - Wikipedia

   en.wikipedia.org/wiki/Door_loop

   Door loop. Electrically controlled door closer which receives electricity via a (visible) door loop. A door loop or door cord[1] is a mechanical device which provides a robust guideway for cabling between a swing door (the "door leaf") and a door frame. Door loops are described in the NFPA 80 standard for fire doors. [1][2]