Nodding in agreement, Austin lifted the knocker and let it drop twice.
Twice as many blacks as whites dropped out of school in their early teens.
The Dow Jones industrial average twice dropped more than 50 points in a matter of minutes, before ending down 72.27 points, at 3,626.75.
Bradman made 28 after being dropped twice in Australia's 321, before taking two catches as the tourists took a 191-run lead.
Reuters reported that Russian fighter-bombers swept over the city at least six times and twice dropped bombs.
Thereafter he took heed from being dropped once or twice, and soon established a permanent place in the team.
She said in a videotaped statement that she shook and struck the baby and twice dropped her on the floor.
South Africa seemed flat in the field, with Clarke being dropped twice, but continued to take wickets at regular intervals.
Lanshaw dropped out of high school twice due to truancy.
Center Aleksei Yashin dropped to the ice twice in pain.