DescriptionBSicon uSTOPLOCKq.svg Canal icon for bi-directional stop-lock. Made by me. Oosoom Talk to me 08:56, 1 September 2007 (UTC) Date 1 September...
DescriptionBSicon uLSTOPLOCKq.svg English: Canal icon for proposed bi-directional stop-lock. Based on uSTOPLOCKq Date 12 December 2021 Source Own work...