Recent content by vinaysah

  1. V

    Why today's structures has lower life span than old structures like Taj Mahal, pyramids, great Wall of China etc while today we have more technology?

    i dont think u r right in this statement sir because in old days there were only experiences that had been counted for the construction and no one thinks about the economy those days so the structure which was designed or made for 100 years were not exact for 100 years and they were...
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