Hire a project to improve the asphaltic concrete road. Soi Khun Phaen line starts from the house of Mrs. Somjit Khampayak to the house of Mr. Direk Suncharoen. The traffic surface is 4.00 meters wide, has no shoulder, paved with asphalt concrete with an average thickness of 0.05 meters. The distance is 196.00 meters long, or the area paved with asphalt concrete is not less than

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