1.   He brought into question all the principles on which the Soviet system was based.

2.   He brought starkly into question all the guiding principles on which the Soviet system was based.

3.   Initially, the quota system was based on a simple two-element formula.

4.   The computer system is based on a really basic format of paper dolls.

5.   The social system is based on a hierarchy within which the most dominant individuals take the greatest share of food.

6.   There is no doubt that the old rating system was based on the nebulous concept of a fair Market rent.

7.   To perform the routine tasks of the section and maintain certain databases on the McDonnell Doublas system and several Personal Computer based systems.

8.   Such a help system could be based on a pre-stored video segment selected under a system control sensitive to your problem or the nature of the help you request.

9.   This specialist hotel system is based on an existing business telephone system which has a proven track record of reliability in thousands of companies throughout the UK.

10.   The system will be based on a harmonised lower limit to the rate of VAT but no upper limit.