• Dams are artificial barriers across a flowing river or any other natural water body that are meant to obstruct,  or slow down the flow of water, thus creating a reservoir or a lake.

• A barrage is an artificial obstruction at the mouth of a river that is used to increase its depth to assist in navigation or for irrigation purposes.
Dams are artificial barriers which constructed on flowing water that meant to obstruct ,to change direction,or to slow down the water thus creating a resorvoir
a barrage are artificial obstruction constructed at mouth of the rivers to increase its depth and used for irrigation purpose
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