1.   Liberal representative systems ensure an open, competitive ruling class.

2.   The committee system generally ensures detailed coverage of council business.

3.   Therefore, the first-past-the-post system ensures that a Conservative voter living in Glagow has no representative in Westminster.

4.   This system ensured reasonably fair representation for each party, whilst preventing a large number of parties being elected to parliament.

5.   In most cases the imputation system ensures that nil and net earnings are the same.

6.   The system must ensure that all involved are kept aware of progress, decisions and changes concerning them.

7.   The offline system ensures that a copy of every module sent offline exists on a primary and a secondary media item before the online copy can be destroyed.

8.   A system will ensure only one vote per home telephone number.

9.   He says the system ensures that no customer in margin trouble will go unnotified, no matter how busy the Datek staff may be.

10.   Such a system would ensure that gun owners pass safety training tests and enable law enforcement agencies to track weapons to their owners.