Related Clues:

• They contain a number of degrees
• Circle part
• Cone material
• Electrical bridge
• Stromboli outpour
• Output of Mount Etna
• Punt path
• Obsidian, once
• Parabola part
• Meteor's path
• Etna outpouring
• Kilauea flow
• Slow roller
• Three-point line, e.g.
• Magma exposed