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After a small run of aircraft constructed to British specifications , as the Bolingbroke Mk I , Fairchild switched production to the Bolingbroke Mk IV with Canadian and American instruments and equipment .
 Fairchild
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fairchild