Bowling for Columbine

“Smith and Wesson” is a famous gun maker, and a “9 millimeter” refers to the type or power of a gun. If the parts of a machine are hallow, they’re empty or having nothing but air in them. Other types of well known guns referred to in the film are M16s, 44 Magnums, Tec 9s, 32 Caliber, etc. A … ................
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