1. 
   A 83 2189 184
   A 83 2189 184 is a cultivated variety of potato.
   Found op http://www.probertencyclopaedia.com/browse/QA.HTM
   
   
2. 
   A 84
   A 84 is a cultivated variety of potato.
   Found op http://www.probertencyclopaedia.com/browse/QA.HTM
   
   
3. 
   A-4
   (from the article `attack aircraft`) After World War II, faster jet aircraft were developed for attack missions. Among the U.S. types were the Grumman A-6 Intruder, first flown in 1960; ... ...the third generation of fighters, but they were not supersonic. One example was the British Blackburn Bucca...
   Found op http://www.britannica.com/eb/a-z/a/1
   
   
4. 
   A-4
   The McDonnell Douglas A-4 Skyhawk (Bantam Bomber) is an American single-seater carrier-borne and land-based light attack aircraft developed during the 1950s to the US navy's requirements for a turbojet successor to the Douglas AD-6 Skyraider. The McDonnell Douglas A-4 Skyhawk II is a low-wing cantil...
   Found op http://www.probertencyclopaedia.com/browse/IA.HTM
   
   
5. 
   A3 and A4
   A4 size is 21cm x 29.7cm, and A3 size is 29.7cm x 42 cm.
   Found op http://www.aagm.co.uk/AboutUs/glossary.aspx
   
   
6. 
   A4
   Aggregat 4 - earlier name for the German V2 rocket
   Found op http://www.secondworldwar.co.uk/glossa.html
   
   
7. 
   A4
   ISO paper size 297 x 210mm
   Found op http://www.tso.co.uk/solutions/publishingsolutions/printproduction/printglo
   
   
8. 
   A4
   Paper size for documents measuring up to 8.27' x 11.69'.
   Found op http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl
   
   
9. 
   A4
   class of steam locomotive built by LNER, (more
   Found op http://www.scot-rail.co.uk/page/Glossary
   
   
10. 
    A4
    Paper size for documents measuring up to 8.27' x 11.69'
    Found op http://www.digitalexposure.ca/sub1.html
    
    

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