Engineers Without Borders-USA and Composting Toilets Overview and Nicaragua Project by Pat Coyle, Livermore Rotary, EWB-SFP ATDT lead, for Rotary Club of Castro Valley, December 2,
Engineers Without Borders-USA and Composting Toilets Overview and Nicaragua Project by Pat Coyle, Rotary Club of Livermore, EWB-SFP ATDT lead, for Rotary Club of Livermore Valley,
