A small amount of the resulting coextract is then used in a single tube.

'Do! pray do! I shall be the most miserable of men if you don't. You cannot be so cruel as to deny me a favour so easily granted and yet so highly prized!' pleaded he as ardently as if his life depended on it.

1849–1861, Thomas Babington Macaulay, The History of England from the Accession of James the Second, volume (please specify |volume=I to V), London: Longman, Brown, Green, and Longmans, OCLC 1069526323:

We need a stopper or the boat will sink.