Glad you joined the group. I have not responded to you on the permaculture group because I don't know how. So now you can read about the hammer mill and other papercrete questions on here.
Follow progress on the new project at http://www.papercretebyjudith.com/blog
More papercrete info at http://squidoo.com/papercretebyjudith
Follow progress on the new project at http://www.papercretebyjudith.com/blog
More papercrete info at http://squidoo.com/papercretebyjudith
__._,_.___