Pound (mass) has been defined as exactly . In the United Kingdom, the use of the international pound was implemented in the Weights and Measures Act 1963. An avoirdupois pound is equal to 16 avoirdupois ounces and to exactly 7,000 grains. The conversion factor between the kilogram and the international pound was therefore chosen to be divisible by 7, and an (international) grain is thus equal to exactly . In the UK, the process of metrication and European units of measurement directives were expected to eliminate the use of the pound and ounce, but in 2007 the European Commission abandoned the requirement
Animal pound with a well-preserved village pound. There are also examples in other countries. "There was hardly a town in eighteenth-century New England without its town pound..." The Sussex County Magazine in 1930 stated: In some mountainous areas of northern Spain (such as Cantabria or Asturias) some similar enclosures are traditionally used to protect beehives from bear attacks. The artist Andy Goldsworthy has produced a series of sculptures in several of the pinfolds in Cumbria. Animal pound An animal pound is a place where stray livestock were impounded. Animals were kept in a dedicated enclosure, until claimed by their owners, or sold