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 Engineering College are on display at these two establishments. The site of the former RNEC at Manadon, Plymouth was sold off and has now been transformed into housing. Royal Naval Engineering College The Royal Naval Engineering College was a specialist establishment for the training of Royal Navy engineers. It was founded as Keyham College in 1880, new buildings were opened in Manadon in 1940 and the old college site at Keyham closed in 1958. The college was renamed HMS "Thunderer" in 1946, and closed in 1995. Construction of Keyham College on the dockside in the Keyham suburb of Plymouth started in February