Sewage treatment by earthworms. This is a live plant video where treatment is done by earthworms. By this, treated water quality is also maintai...
Published by Prashant Verma, VP at Dover Tech

Sewage treatment by earthworms. This is a live plant video where treatment is done by earthworms. By this, treated water quality is also maintained without using mechanical equipment. Any clarification regarding this technology , you may contact me.
https://youtu.be/jIJ8TnYocs0
https://youtu.be/jIJ8TnYocs0