His Majesty has gave the initiative to resolve the problem of waste water by using mechanical aeration by King's pattern, simple invention, which is known as turbine developed in victories in 1988.
King His Majesty has to fix the sewage. With the use of mechanical aeration The royal style artifacts that simple. This is a well-known name. Aberdeen turbine development in 1988.
His Majesty the king. HRH Princess Maha Chakri Sirindhorn in sewage treatment With the use of mechanical filled the air. The invention of royal style simple Which is known as กังหันน้ำชัยพัฒนา in 1999. 1988.