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Subjects worth knowing that don't have a card of their own.
[Established] Salt was made in Scotland by boiling seawater in large iron pans, fired by coal, at sites along the Firth of Forth, in Ayrshire and elsewhere.
[Established] UKube-1, built by Clyde Space in Glasgow, was launched from Baikonur on 8 July 2014.
[Established] Tourism grew from the late eighteenth century as travellers sought the "sublime" Highland landscape.