About Dam

Dam is a barrier that impounds water or underground streams. Hydropower is also used in conjunction with dams to generate electricity. A dam can also be used to collect water or for storage of water which can be evenly distributed between locations. Early dam building took place in Mesopotamia and the middle east. The earliest known dam is jawa dam in Jordan, 100 k.m away from capital amman

One of the engineearing wonders of the ancient world was the great dam of marib in yemen. One of the best place for a building a dam is a narrow part of a deep river valley; the valley sides the act as natural walls. Dam failure are generally catastrophic if the structure is breaxhed or significantly damaged.

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