3 May 2018

• curprev 08:5208:52, 3 May 2018‎ Elmidae talk contribs‎ 51 bytes −609‎ merged to HEPA as per Wikipedia:Articles_for_deletion/HEGA undo Tag: New redirect
• curprev 06:2506:25, 3 May 2018‎ Jo-Jo Eumerus talk contribs‎ 660 bytes −366‎ AFD closed as merge (XFDcloser) undo

25 April 2018

• curprev 20:5020:50, 25 April 2018‎ Septrillion talk contribs‎ 1,026 bytes +404‎ Nominated for deletion; see Wikipedia:Articles for deletion/HEGA. (TW) undo
• curprev 20:3820:38, 25 April 2018‎ 131.92.41.106 talk‎ 622 bytes 0‎ No edit summary undo

9 February 2014

• curprev 21:5821:58, 9 February 2014‎ 109.151.35.45 talk‎ 622 bytes +30‎ No edit summary undo

25 November 2013

• curprev 22:1522:15, 25 November 2013‎ Kolbasz talk contribs‎ 592 bytes +36‎ unreferenced undo

19 August 2013

• curprev 10:0210:02, 19 August 2013‎ Widr talk contribs‎ m 556 bytes −25‎ Reverted edits by 99.112.16.210 (talk) to last version by Addbot undo
• curprev 07:5607:56, 19 August 2013‎ 99.112.16.210 talk‎ 581 bytes +25‎ No edit summary undo

14 March 2013

• curprev 09:5509:55, 14 March 2013‎ Addbot talk contribs‎ m 556 bytes −13‎ Bot: Migrating 1 interwiki links, now provided by Wikidata on d:q5629435 undo

19 October 2011

• curprev 07:4707:47, 19 October 2011‎ Jscb talk contribs‎ m 569 bytes −132‎ No edit summary undo
• curprev 07:4607:46, 19 October 2011‎ Jscb talk contribs‎ 701 bytes +10‎ No edit summary undo

16 May 2010

• curprev 08:4608:46, 16 May 2010‎ 109.255.194.95 talk‎ 691 bytes +15‎ Marked as stub. undo

22 January 2010

• curprev 20:3620:36, 22 January 2010‎ 212.183.198.9 talk‎ 676 bytes +13‎ No edit summary undo

22 August 2009

• curprev 18:4718:47, 22 August 2009‎ SalineBrain talk contribs‎ m 663 bytes +1‎ Undid revision 309462890 by 150.216.177.150 (talk) Funny (vandal or practice?) edit of High to Eigh, undone undo
• curprev 18:2318:23, 22 August 2009‎ 150.216.177.150 talk‎ 662 bytes −1‎ Undid revision 162293488 by 217.159.198.3 (talk) undo

4 October 2007

• curprev 18:3418:34, 4 October 2007‎ 217.159.198.3 talk‎ 663 bytes 0‎ No edit summary undo

17 July 2007

• curprev 15:2315:23, 17 July 2007‎ Dragonlady7 talk contribs‎ m 663 bytes +39‎ absorption-->aDsorption; link to page explaining what adsorption is undo

8 May 2006

• curprev 20:0420:04, 8 May 2006‎ 71.29.106.106 talk‎ 624 bytes −109‎ Removed link to commercial site. undo

26 April 2006

• curprev 14:3814:38, 26 April 2006‎ 66.56.10.233 talk‎ 733 bytes +108‎ →‎References undo

7 April 2006

• curprev 07:0107:01, 7 April 2006‎ Zs talk contribs‎ m 625 bytes +4‎ No edit summary undo

30 December 2005

• curprev 04:2204:22, 30 December 2005‎ Zaytran talk contribs‎ 621 bytes +7‎ "popular" is an overstatement. Currently only used by one maker. undo

20 December 2005

• curprev 17:2317:23, 20 December 2005‎ Holly Cheng talk contribs‎ m 614 bytes 0‎ moved Hega to HEGA undo
• curprev 17:2217:22, 20 December 2005‎ Holly Cheng talk contribs‎ 614 bytes −1,502‎ afd result: move undo

18 December 2005

• curprev 00:3300:33, 18 December 2005‎ Kjkolb talk contribs‎ 2,116 bytes +51‎ replaced reference with one that has the information in the article and isn't selling anything, very small mention, though undo

15 December 2005

• curprev 02:5002:50, 15 December 2005‎ Zoe talk contribs‎ 2,065 bytes +1,502‎ afd undo

29 September 2005

• curprev 14:5914:59, 29 September 2005‎ 213.112.91.56 talk‎ 563 bytes 0‎ No edit summary undo
• curprev 14:5814:58, 29 September 2005‎ 213.112.91.56 talk‎ 563 bytes +44‎ Addes see also undo

24 September 2005

• curprev 20:2620:26, 24 September 2005‎ JLaTondre talk contribs‎ m 519 bytes 0‎ spelling: 'absorbtion' -> 'absorption' undo

28 August 2005

• curprev 14:4414:44, 28 August 2005‎ Sam Hocevar talk contribs‎ m 519 bytes −1‎ grammar (it's / its) undo

18 July 2005

• curprev 22:5322:53, 18 July 2005‎ Hooperbloob talk contribs‎ m 520 bytes +4‎ +link undo
• curprev 22:5222:52, 18 July 2005‎ Hooperbloob talk contribs‎ m 516 bytes +29‎ +cat & typo & links undo

4 July 2005

• curprev 20:1020:10, 4 July 2005‎ Cindos talk contribs‎ 487 bytes +33‎ No edit summary undo
• curprev 20:0020:00, 4 July 2005‎ Cindos talk contribs‎ m 454 bytes −10‎ removed double title undo
• curprev 19:5919:59, 4 July 2005‎ Cindos talk contribs‎ 464 bytes +464‎ addition of topic