12 October 2012
- 12:5212:52, 12 October 2012 Difference History +767 Principles of appropriate technology →In practice Tags: n ANON EDIT. To be patrolled.
- 12:4212:42, 12 October 2012 Difference History +479 Principles of appropriate technology No edit summary Tags: n ANON EDIT. To be patrolled.
- 06:4506:45, 12 October 2012 Difference History +62 Materials No edit summary Tags: n ANON EDIT. To be patrolled.
- 06:4306:43, 12 October 2012 Difference History +43 Green living →See also Tags: n ANON EDIT. To be patrolled.