51.   The remaining question is how to treat a principal who was an excellent teacher or administrator before failing at a job that requires different skills.

52.   The sport required great skill with a whip.

53.   They are freshmen studying international business at New York University who know that global markets require global skills.

54.   They require survival skills.

55.   This do-it-yourself assemblage requires the skills of a jigsaw-puzzle master.

56.   This is not difficult, job, nor does it require special skill, but it is messy and time consuming.

57.   This requires improvisational skills, but can be fun for the parent in a harmless yet wicked way.

58.   To create a barnyard full of convincing animatronic animals required the skills of scores of Creature Shop technicians.

59.   This will require carpentry skill.

60.   To do this would require significant skill in chemistry since fast-growing anthrax colonies tend to become less poisonous.