Steel Shipping Drums, Police Whistles, Miniature Train Cars, Glass Blocks
How It's Made
S10E12 August 5, 2008 ★ 10.0 21 min
Overview
Sheet steel is rolled, welded and sealed into shipping drums, metal chambers are formed and tuned into police whistles, small-scale components are molded, painted and assembled into miniature train cars, and pressed sections of molten glass are fused into hollow building blocks.
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