21.   When and if your proposed project requires any substantial amount of traveling be extra careful in planning such events.

22.   When rates are discounted in this way by substantial amounts, bad feeling and discontent May well develop on the site.

23.   New products and production processes are transferred to the developing countries only after a substantial amount of time has lapsed.

24.   By doing this, you could save a substantial amount of money and keep your car in good running condition.

25.   Successive Secretaries of State formulated their own versions of what the polytechnics should be, and in doing so established a substantial amount of ambiguity.

26.   It has been reported that pancreatic acinar cells, stimulated by caerulein or cholecystokinin, release substantial amounts of platelet activating factor.

27.   Filling a substantial amount of skyline and covering six full squares of the Ordnance Survey map.

28.   A wide range of information technologies are in use producing substantial amounts of data.

29.   It is widely thought that substantial additional amounts were exported illegally to countries in Eastern Europe and the Third World.

30.   Observers have pointed out that the Gabcikovo power plant could only be economically viable if a substantial amount of water is diverted.