Talk:Umbilical ring

Wiki Education Foundation-supported course assignment
This article was the subject of a Wiki Education Foundation-supported course assignment, between 28 January 2019 and 17 May 2019. Further details are available on the course page. Student editor(s): Gbonill6.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 12:46, 18 January 2022 (UTC)