The public would be fairly warned of the approach of danger, and elaborate measures were being taken for the protection of the people in the threatened southwestern suburbs.
And I assert that I watched them closely time after time, and that I have seen four, five, and (once) six of them sluggishly performing the most elaborately complicated operations together without either sound or gesture.
There are no more uses of "elaborate" in the book.
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Please elaborate on the reasons you think this is the best plan.