h similar threat the reopening of several old mines from metals the use of cynaid technology is under due to the of the precious metals
Moreover, there is a similar threat in Slovakia from the reopening of several old mines for precious metals, where the use of cyanide technology is under consideration due to the low concentrations of the precious metals.
there a similar threat the reopening of several old mines for metals, the use of cyanide technology is under due to the of the precious metals.