Comparison of the imperial and US customary measurement systems metre, as 1852 metres. Traditionally, both Britain and the US used three different weight systems: troy weight for precious metals, avoirdupois weight for most other purposes and apothecaries' weight for medicines. However, apothecaries' weight has now been superseded by the metric system. One important difference is the widespread use in Britain of the stone of 14 pounds () for body weight. This unit is not used in the United States, although its influence was seen in the practice, until World War II, of selling flour by a barrel of 196 pounds (14 stone). Another difference arose when Britain abolished the
Precious (Boukenger) by her parents, only to become a pawn in a joint Jyaryu/Quester operation. The is a powerful artifact that possesses what now is called Artificial Intelligence. It works much like a supercomputer, retrieving data, programs and abilities from whatever system or machine it connects with. When used for peace, this Precious can be used to efficiently operate hospitals or shelters. When used wrongfully, it can override and take control of any security system. The is an ancient iron rod capable of destroying a whole mountain with a single blow. It is sealed deep within a mountain, but when stolen, the