How to Use "ballast" with Example Sentences

1. He said styrofoam ballast kept the debris afloat as it crossed the open sea .
2. These tiny birds weigh around a kilogram and are shot up in lieu of ballast or in empty nooks and crannies on full-blown satellite launch missions .
3. This means that teams with kers have less ballast to move around the car and hence have less freedom to vary their car 's weight distribution .
4. At sea , meanwhile , on any day it is estimated that around 3000 species of aquatic animals and plants are being carried around the world in ballast .
5. Then the sound of rumbling thunder reached the watchers on the shore , as cargo , ballast , ammunition and 400 people went sliding and crashing down to the port side of the steeply listing ship .