Economy of Devon (chewing gum) and HMNB Devonport (the largest naval base in western Europe) are in Plymouth. Torquay was home to Beverage Brands, the producers of WKD Original Vodka. Britannia Royal Naval College is at Dartmouth. Mining for tin and copper was carried on in Devon from ancient times until the 1930s: see Dartmoor tin-mining. Agriculture has been an important industry in South West England since the 19th century: approximately 80% of land in the South West of England is in agricultural use (19.6% of England's total). In the later 19th and early 20th centuries there were a number of potteries in
Royal Naval College, Greenwich when it became an honorary role held by the Second Sea Lord (and from 1994 an honorary role held by the Assistant Chief of the Naval Staff). Presidents included: The following individuals served as Director of Studies: Now known as the Old Royal Naval College, the college's former buildings are open to the public and are the home of three attractions; the Painted Hall, the Chapel, and the Discover Greenwich visitor centre. The site has also been used as a film location, appearing in "Sherlock Holmes" (2009) and "The Foreigner" (2017) and as the setting for the final clash on