Crossword Genius

Former job centres take pains with head-to-toe gender reassignment (6,9)

Ross

I believe the answer is:

labour exchanges

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'pains with head-to-toe gender reassignment' is the definition.
I don't know anything about this answer so I cannot judge whether this works.

'former job centres take' is the wordplay.
I cannot quite see how this works, but
'former' could be 'ex' (prefix meaning former or onetime) and 'ex' is located in the answer.
'take' could be 'r' (abbreviation for 'recipe', Latin for 'take') and 'r' is found within the answer.
This explanation may well be incorrect...

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I've seen this clue in The Telegraph.
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