Show of hands for the pit workers, for instance (8)

I believe the answer is:

applause

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'show' is the definition.
(I have seen 'Show of appreciation' mean 'applause' so perhaps 'show' could also mean 'applause')

I don't understand the rest of the clue.

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(Other definitions for applause that I've seen before include "Acclamation" , "Approval shown by clapping" , "Approval expressed by clapping" , "giving a hand?" , "round, perhaps?" .)

I've seen this clue in the Irish Times.

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