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This category has the following 3 subcategories, out of 3 total.
Pages in category "Appropriate technology"
The following 98 pages are in this category, out of 98 total. This list may not reflect recent changes (learn more).
- Safe bottle lamp
- Safe household water storage
- Screenless hammer mill
- Single-wire earth return
- Slow sand filter
- Soft energy technology
- Solar chimney
- Solar water disinfection
- Solar-powered desalination unit
- Spiral pump
- Spring box
- Stirrup pump
- Synthetic biology