1.   The principal aim of the project is to provide an answer to this question.

2.   The principal aim seems to be to find out how far it can be extended.

3.   To render capitalism more humane and efficient was the principal aim of the professional expert.

4.   The principal aim is to raise awareness among workers and employers of hazards in the workplace.

5.   A principal aim is, of course, to present the pupils successfully for external exams.

6.   A principal aim is to make sure that orders from investors can be seen by other investors who might want to take the other side.

7.   In the end, the principal aim is getting more brokers, agents and financial services businesses to sell his annuities.