To control flood warning at dam site. What does this topic actually means?

i just want to know what does the topic i mentioned above means whether it means to control flood or to create just a warning at dam site. Plz do giv

i just want to know what does the topic i mentioned above means whether it means to control flood or to create just a warning at dam site. Plz do give a suitable answer.

or:i just want to know what does the topic i mentioned above means whether it means to control flood or to create just a warning at dam site. Plz do give a suitable answer.

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