20 April 2021
- 08:0508:05, 20 April 2021 verskil geskiedenis −129 Industrial and Mining Water Research Unit →Navorsing Etiket: Visuele teksverwerker
- 07:4407:44, 20 April 2021 verskil geskiedenis +9 581 Industrial and Mining Water Research Unit →Navorsing
- 07:4307:43, 20 April 2021 verskil geskiedenis −1 Industrial and Mining Water Research Unit No edit summary Etiket: Manual revert
- 07:4307:43, 20 April 2021 verskil geskiedenis −11 867 Industrial and Mining Water Research Unit →=Navorsing Etiket: Teruggerol
- 07:4207:42, 20 April 2021 verskil geskiedenis +11 868 Industrial and Mining Water Research Unit No edit summary Etikette: Teruggerol Visuele wysiging: Oorgeskakel