The SkyHydrant™ purifies the water without the need for electric power or chemicals. The units can be a single stand alone installation or manifolded
Link: http://www.youtube.com/watch?v=2_5phv-OyfY
This film provides a great review of how basic fuel briquette making equipment is set up, used, how leaves and sawdust paper mixtures perform, while pressing briquettes from various molds with slot and drillbit water drainoff holes.
Two types of simple handmade presses are shown and demonstrated in use.
Awe' -Itche Ashe' Good Earth Lodges is a Crow Tribal pilot project which utilizes the surrounding materials on the Crow Reservation to produce Compressed Earth Block.
Drying room and palleted earth bricks shown.
Compression Test, and discussion slurry test and kilning process.