Ключевые слова: banska, black, cavern, coal, construction, copper, corridor, dark, dig, dirty, energy, engineering, entrance, escape, excavate, gallery, geology, gold, hard, historical, history, indoor, industrial, industry, inside, interior, iron, machine, machinery, metal, mine, miner, mineral, museum, old, reinforce, rock, silver, stiavnica, tool, train, tunnel, tunneling, underground, underpass, wagon, way, work, worker,