1.   The first views came when the robot had already entered the atmosphere, and had discarded its protective shell.

2.   This is where his real radicalism lies, on the soft underside of the protective shell of right-on propriety in which his observations are encased.

3.   And in this increasingly global environment, nobody and no nation can survive indefinitely within a protective shell.

4.   But once inside their protective shells, some simply laugh off any attempt to deal with them.

5.   Ms. Graney said she believed a dance class would get these women out of their protective shells.

6.   Perforated aluminum screens form a protective shell over long glass walls.

7.   Researchers speculate that these squiggly critters, faced with almost certain doom, bravely wrapped themselves up in a protective shell of salt and slipped into a deep sleep.

8.   The gas, which would be manufactured at the site, pokes holes into the protective hard shell of the anthrax spores, making it impossible to germinate.

9.   The kid desperately wanted to know about my war, but I ran out of words, and like a turtle, I backed into my protective shell.

10.   The players worked in protective shells, rather than shoulder pads, and shorts in the afternoon.