slideshow 1 slideshow 2 slideshow 3 slideshow 4 slideshow 5 slideshow 6 slideshow 7 slideshow 8 slideshow 9 slideshow 10

Forums

Forum Topics Posts Last post
Discussions about design, construction, use and implementation of dry composting toilets. Dry composting toilets separate urine and feces and use both as fertilizer. Feces are composted for at least 9 months killing all pathogens. Dry composting toilets prevent contamination of ground water, save water, reduce waste and produce useful fertilizers.
1 1 7 years 48 weeks ago
by Pilgrim
Discussions about the production and use of rice husk ash cement, a pozzolana that can be combined with lime or ordinary portland cement to form a cementitious binder.
3 11 6 years 1 week ago
by Geoffrey
0 0 n/a
0 0 n/a
0 0 n/a
5 10 6 years 1 week ago
by Geoffrey
23 59 9 weeks 3 days ago
by jgarcias.cr
16 37 3 years 33 weeks ago
by Geoffrey
0 0 n/a
0 0 n/a
1 1 8 years 12 weeks ago
by Pilgrim
0 0 n/a
0 0 n/a
General Discussions
1 2 6 years 6 days ago
by Geoffrey