31.   But the mix prevents the formation of whole blocks of low-income housing that turn to slums in other countries.

32.   Erbakan has been zigzagging about his policies in an effort to prevent the formation of an alliance between True Path and Motherland against Welfare.

33.   Foreign Ministry spokeswoman Zhang Qiyue declined to say whether China would wield its veto power in the U.N. Security Council to prevent the formation of an international tribunal.

34.   However...A very dry northerly flow exists above this moisture which will act to prevent shower formation this afternoon.

35.   In the US, employers hired thugs and used violence to try to prevent the formation of unions in the workplace.

36.   It controls blood pressure and its distribution, and also prevents the formation of thrombi.

37.   It is said to also help delay the signs of ageing and prevent the formation of age spots.

38.   Prince Norodom Ranariddh of the royalist FUNCINPEC party and his opposition ally Sam Rainsy had threatened to boycott parliament, effectively preventing the formation of a government.

39.   Screening for the Rh factor is nearly universal in developed countries and a simple treatment is available to prevent antibody formation.

40.   The discovery adds to a growing list of proteins known to block cancer by preventing blood vessel formation.