dust barrier in a sentence

1. The origiinal use of building paper under a floor is too provide a dust barrier.
2. BMA orders BTSC to build dust barriers, NATION
3. The dust barriers were also replaced.
4. Margon said that he had not studied the data, but that the Hubble telescope had proved to be highly reliable in investigating what lies beyond the dust barrier at the galactic core.
5. It's difficult to find dust barrier in a sentence.