Related Clues:

• Kind of detector
• Zeus, e.g.
• Comfort zone
• Carbon or copper
• Lincoln or Ford, e.g.
• The "A" in CAW
• Lord
• Hydrogen or helium
• Chemical building block
• Source of energy, in astrology
• Cobalt or copper
• Airport rental
• ''Graph'' or ''pilot'' starter
• Pluto, forward or backward
• Pilot opening