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- 15:27, 21 September 2007 diff hist -14,780 Fluorescent Lighting
- 00:02, 20 September 2007 diff hist -12 Motorised Valves
- 17:51, 18 August 2007 diff hist -16,214 Fluorescent Lighting
- 22:08, 14 July 2007 diff hist -55,407 Glossary