21.   Decide what teaching resources you will need for the formal teaching sessions.

22.   Emergency help is needed for survivors of the earthquake.

23.   Flemma said that a reliable mechanical device was needed for the thousands of patients who die while awaiting human heart transplants.

24.   For companies you need their full name, country of registration and registration number.

25.   Further joint consultation is also needed for other functions including planning and refuse disposal.

26.   He notes that digital techniques for establishing trust are needed for electronic democracy.

27.   Here too, surface coatings that modify interfacial properties are needed for more reliable operation in the liquid phase.

28.   Hewlett-Packard Co., which is supplying the hardware to Ford, provides computers only to employees who need them for work.

29.   I had already begun an outline for another book and for that I needed some local colour in an Eastern bloc country.

30.   If the building is no longer needed for its original purpose, could it be put to a new use?