1.   A survey by the Engineering Industry Training Board found that the technology widened the gap between people with different levels of skills.

2.   A tour of Washington DC inspired one visitor to make some interesting observations about the gap between the rich and the poor.

3.   After laying, the gaps between the individual mosaic pieces are filled with grout.

4.   Alvin managed to bridge the gap between ballet and modern dance.

5.   Another obstacle to congressional effectiveness is the communication gap between the executive and legislative branches.

6.   As a result, in many countries, the wage gap between lowly and highly skilled workers has widened sharply.

7.   At least that was the case in Britain, where the gap between petrol and diesel fuel prices has always been small.

8.   But a return to a strictly enforced standard becomes more and more difficult as the gap between generations widens.

9.   But down the years the gap between Mississippi and the rest of the country has narrowed greatly.