in recent years the amount of patients the disease involving the respiratory tract. The cause is mainly due to the air pollution caused. Special things, toxic air condition also causes led to the pollution of water resources in a serious way. With small particles, bacterial infection causing the type of illness, the type of impurity ... is mixed in the air by rain water seeping down the groundwater causing vessels to high contamination. Especially with the alarming environmental situation like today, that problem will tend to increase. People on a clean water source fades in living. And are faced with the problem of scarcity of clean water resources.
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