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 pair spans Europe and Asia; thus Turkish culture is heterogeneous and diversified. As culture and aspirations of this multi-ethnic country have recently turned to Europe, where the Au Pair Programs are especially popular, Turkey may be considered as one of the most popular non-EU country among the Au Pairs. Nevertheless, the Au Pair Programs are still something brand-new and unusual in Turkey, what makes it a great opportunity for both young people, tempted by a unique Turkish culture, and for families, looking for a reliable caregiver for their children. One of the biggest obstacles towards becoming flourishing centre of the Au