After collapse, Las Vegas recovers (8)

I believe the answer is:

salvages

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'recovers' is the definition.
The definition and answer can be both to do with contact as well as being verbs in their -s form.
Maybe they are linked in a way I don't understand?

'after collapse las vegas' is the wordplay.
'las vegas' can be anagrammed to 'SALVAGES'.
But, I am unsure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for salvages that I've seen before include "Saves discarded material" , "Rescues" , "Saves from fire in Las Vegas" , "dry Eliot piece" .)

I've seen this clue in The Independent.

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