But you can use a swab or cloth to clean the outer part of the ear.

VOA: special.2010.03.31

If you cannot find anything clean, use your hand.

VOA: special.2009.08.11

"We say,find more American energy and use less--energy that is as clean as possible, as reliable as possible, and at as low a cost as possible.

VOA: standard.2009.04.25