So arduous was the task of painting the Forth Bridge back in the day that it spawned its very own euphemism.
For much of its life, the famous rail crossing required a permanent team of workers to continuously paint its entire structure from end to end.
But while this perilous operation was certainly not for the faint of heart, with the bridge rising to a height of 361 feet above the Forth, it was the very definition of a steady job - for it could never be considered "complete".
