The best practice and cheap ...
Published by PHETLA MANGENA, Water quality at WEB Bonaire
The best practice and cheap one is sand filtration and package plant to remove irons. It can help a lot to school children.
Thank you,
Mangena P
Published by PHETLA MANGENA, Water quality at WEB Bonaire
The best practice and cheap one is sand filtration and package plant to remove irons. It can help a lot to school children.
Thank you,
Mangena P