Plummets from roof (5)

I believe the answer is:

leads

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'plummets from roof' is the definition.
The definition and answer can be both man-made objects as well as being plural nouns.
Maybe you can see an association between them that I can't see?

This is all the clue.

Can you help me to learn more?

(Other definitions for leads that I've seen before include "Directs" , "singers principally?" , "What Prime Minister does" , "Actors who play principal roles" , "Actors who play principle roles" .)

I've seen this clue in The Guardian.

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