Related Clues:

• The sort of ore you'd never find in the sea
• No good for firewood - it's been there already
• How Burns made a mess of being a cockney?
• A way to tell one that's been fired to keep quiet
• For this one needs the Dr., since it's a matter of 17 across
• This wood can do for garbage
• Not the sort of firewood you'd find in 25 down
• One's been fired
• The result of 21 across having got 1 across?
• Being ingrate, perhaps, has been fired
• It's been made light of
• Having been fired, this needs 21 across not to be all at sea
• The sort of ore that could never be fired in the sea
• Is that all that's left of Burns?
• After it's been fired, that sort to ore is not under the ground