https://www.youtube.com/watch?v=1IouHfhxeEA
Simple Solar Sanitation System to Pasteurize Home Wastes Converting it into Organic Humus - And to Pasteurize Shallow Well Water Water To Make It Safe for Dr…
https://www.youtube.com/watch?v=1IouHfhxeEA
Simple Solar Sanitation System to Pasteurize Home Wastes Converting it into Organic Humus - And to Pasteurize Shallow Well Water Water To Make It Safe for Dr…