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Text File  |  1992-09-02  |  363b  |  11 lines
  1. Refrigeration is the use of technology to 
  2. transfer heat from cold to warm, against the 
  3. normal temperature gradient, so that a body 
  4. can remain substantially colder than its 
  5. surroundings. Refrigeration equipment is used 
  6. for the chilling and deep-freezing of food in 
  7. food technology, and in air conditioners and 
  8. industrial processes. 
  9.  
  10. Subject by: Vince Pike
  11.