11.   The accurate recording of fluid balance is therefore of vital importance.

12.   The function is of vital importance.

13.   This research is of vital importance.

14.   The men were on a mission of vital importance to their country.

15.   The tourist industry is of vital importance to the national economy.

16.   The symbolism of every gesture will be of vital importance during the short state visit.

17.   In a statement Mr Patten set out the place of sex education in society and the vital importance of teaching the teaching of moral values.

18.   No craftsman was of more vital importance than the sculptor.

19.   The multimedia hardware industry has for long recognised the vital importance of these tools.

20.   Knowledge of Chinese language and culture is of vital importance in the modern world.