The employees fix roof wreck (4,5)

I believe the answer is:

work force

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'the employees fix roof wreck' is the definition.
I can't tell whether this definition defines the answer.

'fix roof wreck' is the wordplay.
'fix' indicates an anagram.
'roof'+'wreck'='roofwreck'
'roofwreck' with letters rearranged gives 'WORK FORCE'.

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(Another definition for work force that I've seen is " Everyone employed".)

I've seen this clue in the Sydney Morning Herald.

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