1.   If men closed further, accuracy became less important, and powerful grenades became extremely effective.

2.   Several correspondents have written to me at different times expressing the wish that we join forces in order to become more effective.

3.   Such personal guarantees become effective if and when the company itself can not meet its financial obligations.

4.   We are looking at ways in which the internal management of local authorities might become more effective.

5.   While its petrol-engined equivalent must have unleaded fuel, the diesel catalyser will only become effective when sulphur levels drop.

6.   With repetition, these synapses become less effective in causing the motor neurones to fire.

7.   The new rules will become effective in the next few days.

8.   The new law will become effective immediately.

9.   By the end of the month, however, it remained unclear whether the resignations had become effective.

10.   To become more effective, we in the UK need more training for those who become involved.