Chemical element of metals. Cu comes from Cuprum, Fe comes from Ferrum, Ag from Argentum. The symbols were not followed by a period (full stop) as with abbreviations. Later chemical elements were also assigned unique chemical symbols, based on the name of the element, but not necessarily in English. For example, sodium has the chemical symbol 'Na' after the Latin "natrium". The same applies to "W" (wolfram) for tungsten, "Fe" (ferrum) for iron, "Hg" (hydrargyrum) for mercury, "Sn" (stannum) for tin, "K" (kalium) for potassium, "Au" (aurum) for gold, "Ag" (argentum) for silver, "Pb" (plumbum) for lead, "Cu" (cuprum) for copper, and
Au poste! Au poste! Au poste! (Keep An Eye Out!) is a 2018 French black comedy film written and directed by Quentin Dupieux. The film's French title litterally means "To the police station!". The film is notable for having a running time of only 73 minutes. Most of the action takes place in the interrogation room and involves a policeman and his suspect. The "commisaire de police" Buron is investigating the murder of a man found in a pool of blood by Fugain. Fugain is considered the main suspect in the crime and what follows is the all-night interrogation of the suspect.