The waste water treatment, clean water before releasing it as one way to fix the river canals spoilage. On the basis of various methods to reduce or destroy the contaminated dirt already in the toilet, such as fat, oil, toxic inorganic compounds organic compounds, as well as various germs, to minimize or to drop it into the water, the water will not cause spoilage. Anymore.
การแปล กรุณารอสักครู่..
