You must have seen big bridges built over rivers and seas in the country. But has this question ever come to your mind that how are these bridges and their pillars made to stop water? Today we will give you the answer to this question. How are bridges built? The work of bridges built on rivers and seas. Happens at another place. From where these goods come. After which they are set on the pillars. In the language of civil engineering, these are called pre-cast concrete labs. A bridge…
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