21.   On the way down, the path can be muddy and steep and in places needs extra care.

22.   Realism was needed in providing new services because of resource constraints.

23.   Skeletal bone fillers Not all clinical applications demand the high mechanical strengths that are needed in dental crowns.

24.   The review would provide the understanding required to determine the features needed in an architectural model designed specifically for electronic commerce.

25.   They gave him something he needed late in life, and he gave them something they needed early in theirs.

26.   Vitamins and minerals are only needed in tiny amounts for good health.

27.   We try to equip our students with the skills they will need in the world of work.

28.   What is needed in the long term is a larger worship area which can be adapted for other uses.