187225
Purpose as targets and as a moving target for the armor Wurfgranate ( exercise ) as well as for practice shells of rocket tube ( 20mm insert operation ) and the assault rifle 57 SIG SG 510 , and built for practice hand grenades .
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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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