21.   It seems to me that the present system tends to favor investors who own high-dividend securities.

22.   Large fault systems like these tend to be made of segments that produce earthquakes of varying magnitudes.

23.   One is that pre-paid systems tend to attract stingy customers.

24.   Such a system tends to focus investment in pollution cleanups where the job can be done most effectively and cheaply.

25.   That system tends to magnify the strength of the more conservative candidate in traditionally Republican areas.

26.   The cost of maintaining the body is rooted in the second law of thermodynamics, which says that closed systems tend to become disordered.

27.   The new systems tend to have fewer parts, fewer welds and to be made of materials that are stronger and lighter.

28.   The old system tended to ensure a steady supply of organs for the smaller transplant centers around the country.

29.   The peer review system also tends to set a very high barrier for authors to publish truly novel findings.

30.   The system tends to prescribe a lot of medications in these complex cases, reviewers found.