They may also bring one down to ground level (5)

I believe the answer is:

lifts

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'they' is the definition.
Both the definition and answer are plural nouns.
Perhaps you can see a link between them that I can't see?

I don't understand how the remainder of the clue works.

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(Other definitions for lifts that I've seen before include "free transport" , "Holds up" , "Picks up" , "Raises" , "Hoists" .)

I've seen this clue in The Irish News.

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