Historical background The first steps in the search for gold in the Magadan region took place in 1928
Medical gold is an alloy of various metals, and the number of types of these metals is not limited.
After the collapse of the Soviet Union, a new page was opened in the history of branding - another
Gold deposits in Russia on Igor Garshin’s website Home Write Home > Natural sciences
Calculation of the mass of precious metals Instruction of the Central Bank of Russia No. 94-I was published for the purpose of streamlining
A pawnshop is an institution that issues loans to citizens secured by their property. A characteristic feature that
Heavy metals in water Natural fresh waters are polluted with heavy metal ions due to anthropogenic activities