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Thailand Curriculum Thailand Science
6.1.8.2 Soil Utilization Improvement
6.1.8.3 Rock Formation Process
6.1.8.4 Rock Properties Classification
6.1.8.5 Minerals Characteristics
6.1.8.6 Petroleum Coal Oil Shale
6.1.8.7 Water Sources Conservation
6.1.8.8 Ground Water Formation
6.1.8.9 Weathering Erosion Processes
6.1.8.10 Earth Structure Components