
1) Electronics chain
Found on
https://www.crosswordclues.com/clue/radio-shack
[Canada] This category contains chemical compounds of uranium. ...
Found on
http://en.wikipedia.org/wiki/Radio_Shack_(Canada)

A radio shack is a room or structure used for housing radio equipment. ==History== During radio`s early days, equipment was experimental and home-built. The first radio transmitters used a spark to generate radio waves and were often housed in a garage or shed. When radio was first adopted by the U.S. Navy, a small, wooden structure placed on dec....
Found on
http://en.wikipedia.org/wiki/Radio_shack

(from the article `personal computer`) ...in 1977, when Apple Computer, Inc. (now Apple Inc.), founded by Steven P. Jobs and Stephen G. Wozniak, introduced the Apple II, one of the first ...
Found on
http://www.britannica.com/eb/a-z/r/4
No exact match found.