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ÇÑÌæÁ ãäßã ÇáÊßÑã æãÓÇÚÏÊí ãä ÎáÇá ãÚáæãÇÊßã ÇáÞíÆãÉ


Create a polygon based contour map of the
terrain


ÇáÓæÇá ÇáËÇäí

Model the areas at risk of flooding

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