How to use in-sentence of “ballast”:
– Tracks are often made better by ballast tampers.
– The ballast prevents too much electricity from flowing through the tube.
– Lead is very heavy and dense and can be used as ballast in boats to stop them from turning over, or to protect people from ionizing radiation.
– It probably arrived accidentally in the late 1980s, on ships from Asia, in ballast water.
– They show ballast barrels installed on the inside of the plane.
