1. 
   Quaternary industry
   Involves activities such as training and research and development e.g. high technology and information services. (sometimes included under tertiary sector)
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Quaternary Industry
   one which uses modern technology to carry out research, handle information and give advice to other industries.
   Found op http://geographyfieldwork.com/GeographyVocabularyGCSEIndustry.htm
   
   
3. 
   Quaternary industry
   Sample image for the article "Channel (digital image)" -- this is the yellow channel of the original CMYK image. Copyright 2004 Gutza {GFDL-with-disclaimers|migration=relicense} ...
   Found op http://en.wikipedia.org/wiki/Quaternary_industry
   
   

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