Goes into liquidation when working hard? (6)

I believe the answer is:

sweats

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'goes' is the definition.
The definition and answer can be both acts as well as being plural nouns.
Maybe there's an association between them I don't understand?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for sweats that I've seen before include "Perspires" , "Casual dress" , "Clothes" , "old soldiers" , "Works hard" .)

I've seen this clue in The Irish News.

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