1. "There are mines where silver is found. There are places where gold is purified.
2. Iron is taken out of the earth. Copper is melted down from ore.
3. A miner lights up the darkness. He searches for ore in the deepest pits. He looks for it in the blackest darkness.
4. Far from where people live he cuts a tunnel. He does it in places where others don't go. Far away from people he swings back and forth on ropes.