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His efforts have also been recognized by previously received awards including , J & E Hall Gold Medal from the Institute of Refrigeration ( UK ) , Presidential Citation for Outstanding Achievement from the University of Delaware , Industrial Research Institute ( IRI ) Achievement Award and from the AIChE : the Gerhold , Excellence in Industrial Gases Technology , Institute Lecture , Chemical Engineering Practice , and Fuels and Petrochemicals Division awards .
 Delaware, Industrial Research Institute, AIChE, Industrial, Technology, Engineering
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Delaware, Industrial Research Institute, AIChE, Industrial, Technology, Engineering