Then, once the ores are processed and the silver purified, they enter the economy in a way that is controlled by private and public organizations with regulatory power oversupply volumes. For example, ...

It is estimated that there is more silver than gold on earth and hence it is easy for mining companies to mine for silver. There are various other reasons which make silver cheap such as it being used ...

This is the minimum amount which is required to buy "x" number of lots of a particular commodity to trade in futures market.

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