Dragonfly naiads use jet propulsion, forcibly expelling water out of their rectal chamber. In 1943, the UPA adopted a policy of massacring and expelling the Polish population. Sound is produced simply by expelling air from the lungs. Bai called upon China to assist them in expelling the foreigners from those lands. They ultimately restricted its use to expelling the placenta or stopping hemorrhage. Meanwhile, rumors are spreading of the Russians expelling Jews from their villages. The first opens in the fuel tanks, providing the pressure necessary for expelling the liquid. Rockets create thrust by expelling mass backward at high velocity. She became consumed with restoring darkness to universe by expelling light. Ricky falsely admits the charge and goads his father into expelling him from their home. The Saffarids succeeded in expelling the Taherids from Khorasan in 873. Rainier is also capable of producing pyroclastic flows and expelling lava. This is not the case, as argonauts swim by expelling water through their funnel. The wings close, expelling air from between them, giving more useful thrust. Antiquity responded by expelling the three who had complained.