11.   On a lower level of importance there are numerous examples of the prevalence and occasional success of political espionage.

12.   Once clients have met intermediate goals, then they can shoot for lower levels of drinking.

13.   Several sociological studies have shown that churchgoers have sharply lower levels of illegitimacy and divorce than others in the population.

14.   She was lying flat out on her pink bath towel along the lower level of the dry-heat sauna.

15.   Tests are being devised for children with special needs expected to attain lower levels three to one.

16.   The alternative - that these lower levels are partly responsible for the development of oesophagitis - is also possible.

17.   The rods are situated mainly in the peripheral area of the retina and they are activated in lower levels of lighting.

18.   The stream bed below is normally dry as the water percolates through at a lower level.