Acronym it. This has become such a problem that it is even evaluated at the level of medical academies such as the American Academy of Dermatology. Acronyms are often taught as mnemonic devices, for example in physics the colors of the visible spectrum are said to be "ROY G. BIV" ("red-orange-yellow-green-blue-indigo-violet"). They are also used as mental checklists, for example in aviation: "GUMPS", which is "Gas-Undercarriage-Mixture-Propeller-Seatbelts". Other examples of mnemonic acronyms are "CAN SLIM", and "PAVPANIC" as well as "PEMDAS". It is not uncommon for acronyms to be cited in a kind of false etymology, called a "folk etymology", for a
Newlyn tidal height were taken every 15 minutes. In 1937, the fishing vessel Rosebud sailed to London to deliver a petition to the Minister of Health on behalf of those villagers whose homes were threatened under the government's slum clearance scheme. During the Second World War Newlyn was a base for the Air Sea Rescue craft covering the Western Approaches. The harbour was bombed during the war, hitting the collier "Greenhithe", which was beached in the harbour at the time and supplied coal to the east coast drifters, which travelled to Newlyn during the mackerel fishing season between the wars. Reporting