3. public procurement
For example,dam,reservoir, transport routes,The spacious River Dam to make storage dam at the front was cut to overthrow used benefits.. Small trees or parts that do not will be removed come flooding death such as perennial urban choprapha dam to blocking the Canal branch of the mother of God is the fountain of light mod-all year long. Make the flood area of the forest, which is composed of dense trees, animal varieties thousands acres. Later, it's a problem ant the band Springs polluted water to flow into the Lam.