Ore study of economic geology, or ore genesis. The classifications below are typical. The basic extraction of ore deposits follows these steps: Ores (metals) are traded internationally and comprise a sizeable portion of international trade in raw materials both in value and volume. This is because the worldwide distribution of ores is unequal and dislocated from locations of peak demand and from smelting infrastructure. Most base metals (copper, lead, zinc, nickel) are traded internationally on the London Metal Exchange, with smaller stockpiles and metals exchanges monitored by the COMEX and NYMEX exchanges in the United States and the Shanghai Futures Exchange
Ore Raththam 1987. N. Krishnaswamy of "The Indian Express" liked the film because "most of the characters get a say, the focus shifts to each of them one time or another". He also praised the narration, dialogue, background score, camera work, and editing. Ore Raththam Ore Raththam () is a 1987 Indian Tamil-language film directed by Swarnam and written by M. Karunanidhi. The film stars Karthik, BhagyalakshmiMadhuri, Kishmu, Manorama, Pandian, Seetha, M. K. Stalin and Radha Ravi. It is based on Karunanidhi's story of the same name, which was serialised in the magazine "Kungumam". "Ore Raththam" was a story which was serialised