Related Clues:

• Initially very important to all life
• Life-giving
• It's essential; to put it back in a glass ampoule
• Golf score - total is crucial
• Overriding
• Chief gets quantity you'd expect
• Little girl accepts it is crucial
• Greatest soldier on horse
• It is essential to return at six-fifty at the outside
• Set up strike -- a rise is most important
• Key to unlock circular saw was right twisted and unused
• Critical volume on EU country abridged
• Important source of toxin kept in glass container
• Lively stout at last available in small bottle
• Critical of vintage spy agency making contact with student