Might have glitched my previous response, here's the link to the thread
http://www.arrse.co.uk/sappers/169620-eod-slightly-puzzling-but-hugely-me-amusing-bomb-fuse-anyone-help.html
http://www.arrse.co.uk/sappers/169620-eod-slightly-puzzling-but-hugely-me-amusing-bomb-fuse-anyone-help.html