"Start at the top," T.R. said. "Place charges. Blow shit up. Scoop out the spoil. Repeat. The whole rig for setting the charges and scooping up the spoil gets lowered into the shaft by this"—he slapped one of the steel members of the head frame—"as you go. That’s the point of this"—slap, slap—"to move stuff up and down. Line the walls with reinforced concrete a few feet at a time on your way down. Pretty simple really. Just got to keep at it."