How It's Made: Bridge Steel Cable
Every modern suspension bridge depends on massive steel cables engineered to carry enormous loads and withstand decades of wind, vibration, and changing weather. In this documentary, we take you inside a steel cable factory to see how bridge cables are manufactured — from high-strength steel wire and wire drawing to twisting, stranding, compacting, and final quality inspection. See how thousands of individual steel wires are combined into enormous cables strong enough to support some of the world’s largest bridges.
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