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 However, apothecaries' weight has now been superseded by the metric system.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) Bishamon Coast that can only be accessible once every 20 years when the tide is low enough. The Questers obtained it without trouble for their master plan: The creation of the Homunculus. After the Questers were killed, the Mercurius Vessel was placed in S.G.S. custody. The is the Precious on which the caduceus symbol is based on. The Questers used Gajya to obtain the staff from Kurosagi Forest. It can shoot powerful lighting. When put into the Mercurius Vessel, the staff took the shape of the Homunculus' skeleton. The is a Precious found inside a volcano's crater on Genbu Mountain,