Mining of coal and lignite currently underway in the mining mines, which, inter alia, to ensure the subsequent sale of black and brown coal and of anthracite, bearing the surveys, mining, mining activity and other geological work, such as mining mapping and surveying.

Activity: - excavation of vertical mining works - excavation of long mining works - deep mining of deposits - realization of basic underground access works to the deposit - implementation of remediation works in underground spaces - excavation of large profile underground structures - excavation of road tunnels - construction ...