Spinster culture for centuries. They are the "aanissat" in Arabic, "spinsters" or "old maids" in English, "vieilles filles" in French, "zitelle" in Italian, "alte Jungfer" in German, or "dakhtar torsheedeh" in Persian. In Australia, parties are held for young single people to meet and socialize (particularly in the rural areas). These events are known as Bachelor and Spinster Balls or colloquially "B and S Balls". There is also a philanthropic group of women between the ages of 21 and 35, called the Spinsters of San Francisco, who organize events. By the 2010s, interest developed in this word as a form of
White certificates White certificates In environmental policy, white certificates are documents certifying that a certain reduction of energy consumption has been attained. In most applications, the white certificates are tradable and combined with an obligation to achieve a certain target of energy savings. Under such a system, producers, suppliers or distributors of electricity, gas and oil are required to undertake energy efficiency measures for the final user that are consistent with a pre-defined percentage of their annual energy deliverance. If energy producers do not meet the mandated target for energy consumption they are required to pay a penalty. The white certificates are