Chemical element meaning "no life") for "nitrogen". For purposes of international communication and trade, the official names of the chemical elements both ancient and more recently recognized are decided by the International Union of Pure and Applied Chemistry (IUPAC), which has decided on a sort of international English language, drawing on traditional English names even when an element's chemical symbol is based on a Latin or other traditional word, for example adopting "gold" rather than "aurum" as the name for the 79th element (Au). IUPAC prefers the British spellings "aluminium" and "caesium" over the U.S. spellings "aluminum" and "cesium", and the U.S.
Au pair ensure competence, fair dealing and high integrity. The Australian Au-Pair Families Association (AAPFA) is a not-for-profit organisation and members are Australian host families. AAPFA supports self-regulation in the Au pair industry and provides information and guidance to Au-Pair families based on international hosting standards and ethics. Au pair agencies in China sent young Chinese to the west to work as au pairs abroad, particularly for families who had adopted babies from China, to help them learn Chinese. In addition, China's rising middle class and economic growth have led to a growing demand for au pairs. This helps create opportunities to