Employees of Gordon diesel services prepare to erect Yes campaign placards on their workshop in Stornoway on the Isle of Lewis in the Outer Hebrides

Employees of Gordon diesel services prepare to erect Yes campaign placards on their workshop in Stornoway on the Isle of Lewis in the Outer Hebrides

Employees of Gordon diesel services prepare to erect Yes campaign placards on their workshop in Stornoway on the Isle of Lewis in the Outer Hebrides September 11, 2014. The referendum on Scottish independence will take place on September 18, when Scotland will vote whether or not to end the 307-year-old union with the rest of the United Kingdom. REUTERS/Cathal McNaughton (BRITAIN – Tags: POLITICS ELECTIONS)