Related Clues:

• Geographical regions
• They may be gray
• Fields of expertise
• Gazetteer data
• Some of them are gray
• Smoking and nonsmoking, e.g.
• Prepares for a bout
• Geometric calculations
• Some are gray
• Some math answers
• Métiers
• Locations
• Knocks heads (with)
• Geometry calculations
• Fortes