11.   Both of these points of view have serious weaknesses, but in fact the one-phoneme analysis is generally chosen by phonologists.

12.   Surveys of this kind can provide the basis for many generalisations about geographical variation, but they have serious weaknesses, which will be discussed later.

13.   An announcement from Hammersmith and Fulham council, which is responsible for this bridge, said that engineering consultants identified serious weaknesses in four sections last November.

14.   And that could prove a serious weakness.

15.   But his most serious weaknesses are less tangible and more visceral.

16.   But the downgradings expose a serious weakness of the Japanese economy.

17.   George Bush has evidenced serious weaknesses.

18.   One serious weakness is that there is little objective data, like a checklist of which benefits are offered by which companies.

19.   The Milwaukee outbreak exposed a potentially serious weakness in the US system of protecting drinking water.

20.   There is no serious weakness.