English pewter 16th century a third grade was added. The first type, known as "fine metal", was used for tableware. It consisted of tin with as much copper as it could absorb, which is about 1%. The second type, known as "trifling metal" or "trifle", was used for holloware. It is made up of fine metal with approximately 4% lead. The last type of pewter, known as "lay" or "ley" metal, was used for items that were not in contact with food or drink. It consisted of tin with 15% lead. These three alloys were used, with little variation, until the 20th
Main Administration for Affairs of Prisoners of War and Internees was that GUPVI was a major source of recruitment of future communist activists for communist states, such as GDR and People's Republic of Poland, as well as various "democratic committees" of Japanese, Austrians, etc. Significant efforts were channelled into " ideological reforging" ("идеологическая перековка") of the laborers, and numerous clubs, libraries, local radio stations were created. In total, during the whole period of the existence of GUPVI there were over 500 POW camps (within the Soviet Union and abroad) which imprisoned over 4,000,000 POW. Main Administration for Affairs of Prisoners of War and Internees The Main Administration for Affairs of