21 September 2016
- 22:2322:23, 21 September 2016 diff hist +1 m Water pumps No edit summary
- 21:1721:17, 21 September 2016 diff hist +4 Water pumps internal link for water
- 21:1421:14, 21 September 2016 diff hist +9 Hydraulic ram pumps →Disadvantages: again with asterisks and removing the brs
- 21:1321:13, 21 September 2016 diff hist +1 Hydraulic ram pumps →Advantages: using asterisks for a bulleted list