A place like Italy can rule out working in cold snap (7-4,4)

I believe the answer is:

nuclear-free zone

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'a place like italy' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'can rule out working in cold snap' is the wordplay.
'out' indicates an anagram (out can mean wrong or inaccurate).
'working' becomes 'on' (e.g. a machine is working or on).
'in' means one lot of letters goes inside another.
'cold snap' becomes 'freeze' (freeze is a kind of cold snap).
'on' put inside 'freeze' is 'freezone'.
'can'+'rule'='canrule'
'canrule' is an anagram of 'nuclear'.
'nuclear'+'freezone'='NUCLEAR-FREE ZONE'

Can you help me to learn more?

(Another definition for nuclear-free zone that I've seen is " Somewhere like Japan".)

I've seen this clue in The Sunday Times.

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