21.   World leaders are now united in their quest for peace.

22.   World leaders are expected to sign a treaty pledging to increase environmental protection.

23.   In the field of consumer electronics, Philips is determined to remain a world leader.

24.   World leaders will address the problem of global warming.

25.   It was reported as the largest ever gathering of world leaders.

26.   JM is the world leader in die attach materials for ceramic packaged integrated circuits and sputtering target materials for electronic applications.

27.   Product and process technology investments made by Decorative Ceramics over the last two years have confirmed Johnson Matthey as a world leader in onglaze colour technology.

28.   Stoddard operational experience is second to none, maintaining their position as world leaders in Bonded Technology.

29.   Britain would be a profound stabilising influence, so that the Americans would gain just what they need to carry out their responsibilities as world leader.

30.   Is the world leader in sales of Scotch whisky.