41.   The conclusion raised the possibility of protective barriers that could increase the prices of cars, refrigerators and a range of other products.

42.   The expected removal of protective barriers in some labor intensive industries, however, could create short-term increases in unemployment, the OECD warned.

43.   The presence of the bacterium was unexpected, because it meant the germ had to penetrate a protective barrier.

44.   The U.S. International Trade Commission says subsidized imports have hurt American steel companies, a step toward possible protective barriers.

45.   A dozen other militants chained themselves to protective barriers placed round the cathedral, which is in the process of restoration.

46.   The pipeline leaked for years while Komineft said nothing, but oil suddenly started gushing out last summer when protective barriers surrounding it ruptured.