4. the scope of the study.4.1 content in education. 4.1.1 quality analysis process and waste water from dyeing fabric by analyzing water quality index and analysis of the quantity of heavy metals. 4.1.2 quality improvement process of wastewater from dyeing, fabric color, using the guidelines for treatment. The artificial wetland wastewater4.2 population and education. A Community ban khok Charoen district, Tambon khok Charoen province Lopburi growing Cobra.
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