How does a train cross a river using metal bridges?
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actually e the bridges on river are made of of the metals which are having the tension to bear particular weight on it without breaking.
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Explanation:
The physical properties of structural steel such as strength, ductility, toughness, weldability, weather resistance, chemical composition, shape, size, and surface characteristics are important factors for designing and construction of Metal bridges. Three categories of structural steel are often used for steel bridge construction including carbon steel, high-strength steels, and heat-treated carbon steels. Therefore, we can say because of these qualities trains are able to cross a river using these bridges.
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