Beharry, Lyndon Mw: Oyu Tolgoi article appears on page 251 (247 in the PDF file)
International Minerals Processing Conference Ulaanbaatar Mongolia 2016
Similar to ИМПОРТЫН МАХАНД ХАРТУГАЛГА ТОДОРХОЙЛСОН ДҮНГЭЭС (20)
4. What is lead?
Lead is a soft gray metal element
that occurs naturally in the earth.
For many years, lead was added to
- paint,
- gasoline,
- ongoing or historic
mining, and
- commercial or industrial
operations.
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тугалган гэр
•Хартугалгатай
шатахуун
машин жилд дунджаар
2,5кг хартугалга
ялгаруулдаг