Can I use metal tank (any other from plastic tank like iron) for make bio gas for my home?

Answers (1)

The complete book on that subject:
www.fastonline.org/CD3WD_40/JF/410/02-47.pdf

You can get a hard copy at amazon.com
www.amazon.com/Other-homes-garbage-Designs-self-sufficient/dp/0871561417

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