Glass Bottles, Hacksaws, Ice Hockey Goalie Masks
S8 E2 January 9, 2007 0h 21m
★ 10.0
Source:
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Overview
Molten glass is molded and cooled into bottles, hardened steel is cut and toothed into hacksaw blades, and layers of composite material are shaped, reinforced and decorated to make protective ice hockey goalie masks.