The sort of van a takeaway needs? (7)

I believe the answer is:

removal

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'the sort' is the definition.
Although both the answer and definition are singular nouns, I can't understand how one could define the other.

I can't explain the remainder of the clue.

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(Other definitions for removal that I've seen before include "Change of location" , "changing places" , "The taking (of something) to another place" , "Taking (of thing) away" , "These vans dispatch your house contents" .)

I've seen this clue in the Evening Standard.

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