21.   Now that more than half of American households have computers, the younger generation has steadily been sharpening its skills.

22.   Older executives are going back to school to sharpen their skills.

23.   Part of its purpose is to help less-experienced collectors hone their knowledge of photography, and sharpen their skills in acquiring desirable works at affordable prices.

24.   Sevareid sharpened his skills in the great crucible of World War II, broadcasting with the great team led by Murrow.

25.   Staff will be retrained on the defibrillator every two or three months to sharpen their skills, Odom said.

26.   The athlete whom Bela Karolyi called the toughest competitor he ever coached had to sharpen her skills with a new body.

27.   The diagnostic test is one of several being introduced, all with the goal of helping primary-care doctors sharpen their skills at psychiatric diagnosis.

28.   The exercises allowed some members of an agency that prides itself on speed and accuracy in shooting hijackers to sharpen their skills.

29.   The Kings want McKenna to play in Europe this summer to sharpen his skills beyond fighting.

30.   The Salmons cover such topics as sharpening communication skills and developing product relationships with the right people.