http://www.terra-preta-sanitation.net/cms/index.php?id=19
links here to work in the Philippines and Indonesia
http://www.sswm.info/category/implementation-tools/water-use/hardware/toilet-systems/terra-preta-toilet
Posts
What is 5G? The next generation of wireless, explained
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Jan Rabaey, University of California, Berkeley Every decade or so, the
wireless industry rolls out a new cellular communications standard that can
transmit...
15 hours ago
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