![](http://www.alamy.com/thumbs/6/F6E73592-AC67-465D-BD21-3BA5BAF81B14/J2RFH8.jpg)
Arsenal Tool Room Supervisor Anthony Polsinelli, right, explaining how his team manufactures broaches for howitzer tubes.
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Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No
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