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In aeronautics spoilerons are flight control surfaces , specifically spoilers that can be used asymmetrically to achieve the effect of aileron s , i.e. to roll an aircraft by reducing the lift of one wing but unlike ailerons not increasing the lift of the other wing .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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