Why let your waste go down the drain when you can convert it to something useful. with the current prices of fuel, this is the sure way to save miney. Biogas is a toilet system that gives you value for your money. It converts your faecal waste into gas that can be used for cooking. It is very efficient and effective. Do not let your waste go watse.
Also, we drill boreholes, treat water, help with pure water factory setup and construct biodigesters.