11.   Anthrax travels within a protective coating as a spore.

12.   As an adult spittlebug, it will be nondescript, but its protective coating as a youngster gives it its name.

13.   Airlines also were ordered to install additional protective coating over wing fuel tank wire bundles to prevent any chance of fire or explosion.

14.   But when a green vegetable is cooked, it loses that protective coating.

15.   Cleaning up the old walls was rejected, because experts determined that the solidified black gunk has turned into a protective coating.

16.   Engineers plan to incorporate the assessments in their selection of materials and protective coatings on the new U.S.-led international space station.

17.   Giving hair a protective coating before braving the elements can help ward off the worst weather-related symptoms.

18.   Growers use water sprinklers to form a protective coating of ice on the base of the citrus trees after temperatures dropped into the mid twenties Sunday night.

19.   Hard cooking an egg removes the protective coating.

20.   Its surface of ice may have become covered by a layer of rock and dust, leaving a protective coating over any remaining ice.