1.3.1 survey design plan or map, such as the definitions in the survey, the coordinate system is used, and the circle around the area (Boundary line) to provide tools to fit or accuracy requirements as follows:
- The medium sea level change, or MSL. (Reduction to Mean sea level) in the polls, this time based on a moderate sea level reference level output from the Phuket provincial administration organization pins SMA2 at MSL 5.00 m = 0. to configure the level of exploration in the area. This time
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