Most devices used for home heating have a way to expel the gas from the home.

VOA: special.2010.02.02

A large group of Whig congressmen met and voted to expel Tyler from the party.

VOA: special.2009.02.05

Some medicines,like Prussian blue pills, can help expel radioactive elements from the body.

VOA: special.2011.03.30

For nearly two years, al-Shabab spearheaded efforts to expel Ethiopian troops from Somalia.

VOA: standard.2009.08.21