11.   The protective shell around Peter not only kept reporters away, but in some ways isolated him from his teammates, who basically stayed away.

12.   The viewer begins to get a keen sense of the man despite his carefully protective shell.

13.   The TRC also made little headway in penetrating the protective shell of the security forces.

14.   The warhead is housed during its ascent in a protective shell called a bus.

15.   Without parachutes or braking rockets, the microprobes will dive into the atmosphere, encased in protective shells about the size of basketballs.

16.   You build a protective shell, and then just crawl in.

17.   Every summer night, newborn sea turtles break through their protective shells and scurry through soft sand to start their lives in the marine world.

18.   They settled on a probe the size of a cantaloupe that is enclosed in a thermal protective shell the size of a basketball.

19.   Anthrax bacteria are covered by a protective shell, which together make a tough microscopic entity called a spore.

20.   The wreck itself is due to be covered by a protective concrete shell to preserve it as an underwater memorial.