Related Clues:

• Member of crew in Spain gave permission
• One constituent of fire may be oxygen, for example
• English allow people in — perhaps into a compound
• Item: what to do about blind mice?
• Fire - or part of one!
• Particular - group of soldiers
• Select personnel - particular - group of soldiers
• Component - habitat
• Particular - military detachment
• Fire (or part of one)
• Small section of a work of art
• Iron, for instance - part of an electric kettle
• Basic chemical unit
• Basic substance or feature
• Primary chemical substance