71.   The eastern facade of Two World Financial Center, which faced the World Trade Center, was severely damaged and requires extensive work.

72.   The IOC said last month that blood tests will not be introduced for Sydney because scientific analysis requires further work and the required legal framework is not in place.

73.   This requires hard work and for businesses so used to the good times, that is perhaps the most daunting prospect.

74.   With flowering shrubs and also flowering vines and creepers, they can take on the same functions and once established, they do not require much work.

75.   But the initial left-right agreement on this concept was vague and required detailed work.