10 December 2009
- 21:0721:07, 10 December 2009 diff hist 0 N File:Maintenance of pre-filters.jpg No edit summary
- 21:0621:06, 10 December 2009 diff hist 0 N File:Hydraulic cleaning.jpg No edit summary
- 21:0621:06, 10 December 2009 diff hist 0 N File:Flow-measuring device.jpg No edit summary
- 21:0521:05, 10 December 2009 diff hist 0 N File:Valve scheme for treated water conveyance.jpg No edit summary
- 21:0521:05, 10 December 2009 diff hist 0 N File:Small-scale drip chlorinator.jpg No edit summary
- 21:0421:04, 10 December 2009 diff hist 0 N File:Parameter Values.jpg No edit summary
- 21:0421:04, 10 December 2009 diff hist +132 Slow sand filtration water treatment plants No edit summary
7 December 2009
- 23:5223:52, 7 December 2009 diff hist 0 N File:Filtration Process with tree.jpg No edit summary
- 23:5223:52, 7 December 2009 diff hist +23 Slow sand filtration water treatment plants No edit summary
- 23:4823:48, 7 December 2009 diff hist 0 File:Slow sand filter preparing sand bed.jpg uploaded a new version of "File:Slow sand filter preparing sand bed.jpg"
- 23:4523:45, 7 December 2009 diff hist +4 Slow sand filtration water treatment plants No edit summary
- 23:4323:43, 7 December 2009 diff hist 0 N File:Slow sand filter preparing sand bed.jpg No edit summary
- 07:2207:22, 7 December 2009 diff hist +2,288 Slow sand filtration water treatment plants No edit summary
29 March 2009
- 19:2419:24, 29 March 2009 diff hist +7,679 Slow sand filtration water treatment plants No edit summary
- 18:3218:32, 29 March 2009 diff hist 0 N File:IMAGE 2.7.jpg No edit summary
28 March 2009
- 04:0704:07, 28 March 2009 diff hist +1,072 User talk:Ibrahim No edit summary
24 February 2009
- 06:5806:58, 24 February 2009 diff hist −1,077 User:Ibrahim No edit summary
- 06:5806:58, 24 February 2009 diff hist −20 User:Ibrahim No edit summary
- 01:0901:09, 24 February 2009 diff hist 0 N File:Moretrenches.jpg No edit summary
- 00:5200:52, 24 February 2009 diff hist 0 N File:Trench diging.jpg No edit summary