11.   But when chip makers tried to use it, they found that the metal bled into the silicon, contaminating the chip.

12.   But, as car makers themselves are trying to save money by using fewer platforms, they want to have more varieties of tire to help differentiate their cars.

13.   Computer makers incessantly try to differentiate their basically similar machines.

14.   Computer makers have tried and failed to make pen-based computing a reality, Dell pointed out.

15.   For restaurants, the FizzyFruit makers are trying to develop a refrigerator pressurized with carbon dioxide to hold the fruit.

16.   Game makers are trying to cash in on the enthusiasm with products such as Cranium and Antiques Road Show The Game.

17.   Game makers are increasingly trying to target girls and women.

18.   Game makers are trying to cash in on this enthusiasm with products such as Cranium and Antiques Road Show The Game.

19.   Freed from the slavishness of most authorized biography, the film makers try bold strokes.

20.   I figure U.S. car makers are trying to add a European touch.