31. Such protective coating overcame a problem of surface states found in active silicon circuit elements. 32. Petroleum can kill birds by piercing their water-proof protective coating , letting in water, which causes hypothermia. 33. For marble and wood floors, floor polishers may be used to apply protective coating to floor. 34. In other words, the steel is allowed to rust in order to form the protective coating . 35. In the absence of food, " D . nasutum " will dormant within a protective coating . 36. Hard cooking an egg removes the protective coating . 37. "I think of it as a protective coating for fine furniture _ don't move it ." 38. Waters which would deposit a protective coating on the pipes rather than dissolving the pipe were preferred. 39. White also foresees the material being used for protective coatings , even paint that fixes its own cracks. 40. Although we washed our pieces after cleaning, if you don't, the wipe gives them a protective coating .
