41.   But experts say that some species today have been so wasted, they may never recover.

42.   Experts say the treaty could serve as a model for protecting other rivers in the region, including the Oder and Danube.

43.   Experts say airlines will be big losers.

44.   Experts have said that the cadmium may be due either to pollution or to natural seabed reserves.

45.   Environmental health experts say that increased reporting cannot account for the total increase.

46.   Experts say this shows the benefit of regular inspections.

47.   A heating expert said the boiler had not been serviced for twenty five years, and the flue was blocked.

48.   But experts say with the easing of trade barriers across Europe, the threat of an outbreak grows stronger.

49.   Safety experts say such cars should have their engines regulated to make it impossible for them to travel at speeds far above legal limits.

50.   Experts say a forty foot crack in a medieval transept wall could have led to disaster.