31.   In the psychiatric field the higher proportion of male nurses and hours more conducive to full-time working for women present another pattern.

32.   Nineteenth Century publications contained a higher proportion of items needing treatment than publications from either earlier or later periods.

33.   Britain has higher proportions of untrained workers than any of our international rivals.

34.   And women tend to register and vote in higher proportions than men.

35.   As a result, a much higher proportion of Gazan babies survive and live a long life.

36.   As a result of longstanding local custom, the airport sees a far higher proportion of civil aviation at all hours of the day than most urban airports.

37.   As cars contain an ever higher proportion of plastic, they also become more expensive to recycle at the end of their lives.

38.   As Pearce pointed out this week, GM still produces a higher proportion of its own parts than Ford or the Chrysler Corp.

39.   As more complicated machinery replaces older, simpler equipment, the company requires a higher proportion of very skilled workers.

40.   BA also attracted a higher proportion of higher-margin business-class passengers.