Chinese imperial cuisine very important, so the colour and the shape of the dish must be carefully arranged. The most famous Chinese imperial cuisine restaurants are both located in Beijing: "Fang Shan" () in Beihai Park and "Ting Li Ting" () in the Summer Palace. Styles and tastes of Chinese imperial cuisine vary from dynasty to dynasty. Every dynasty has its own distinguishing features. The two famous styles of Chinese imperial cuisine are from the Ming and Qing dynasties. Many famous dishes emerged in these dynasties, such as Wensi tofu and Peking duck. In the history of Chinese cuisine, Chinese imperial cuisine experienced
Imperial and US customary measurement systems (42 US gallons, 34.97 imperial gallons or 159.0 litres) used in the oil industry has the dimension of volume and could be replaced by the gallon, cubic metre or litre. The definitions of potential difference (volt), electric current (ampere), electrical resistance (ohm) were defined in terms of metric units, international agreement having been reached at a series of IEC Congress in Chicago between 1881 and 1906 when the electrical industry was in its infancy. At that time the metric system had become established in continental Europe while in the United Kingdom metrication was an active issue. Similarly, the units of