31.  The investigators say this simulation, a standard part of crash investigations, has helped them visualize the probable focal point of the explosion that ultimately split the plane.

32.  The leading proposal, offered by Sen. Bob Graham, D-Fla., would provide drug coverage as a standard part of the Medicare benefit package.

33.  The hazing that was a standard part of the NFL just a few years ago has gone the way of the head slap and stickum.

34.  The range, known as the confidence interval, is a standard part of reporting findings.

35.  They decided to use standard parts in an idiosyncratic way, defying assembly-line logic in a building that pushed the architecture into artistic territory.

36.  Using waves to describe repetitive areas of an image is a standard part of compression.

37.  Users who upgrade to a faster processor or want more memory can use standard off-the-shelf parts available at most computer stores.

38.  UV systems have become a standard part of semiconductor production, a booming industry in which even trace contaminants in a water supply can hurt the bottom line.

39.  While USA Networks worked to keep other bidders out of the picture, Lycos executives were concerned about another standard part of the merger contract.

40.  Whole courses in communication with patients, especially when there is bad news in the offing, are becoming standard parts of the curriculum.