SILVER MINING / Making Doré Bars - Discovery Channel скачать в хорошем качестве

SILVER MINING / Making Doré Bars - Discovery Channel

Latest episode of "How It's Made" featured a segment on silver mining. The mining company was clearly shown, and was First Majestic Corp. of Canada (their active mines are in Mexico, however). Their refined bullion bars are shown at the beginning, but the segment focuses on the mining and silver extraction process. Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use