1.   Generally, this condition persists for only a short period as the enzyme system usually becomes functional within several days after birth.

2.   The less good lose in all these respects, and the system becomes more two-tiered.

3.   The new system became operational in March.

4.   The prison system became, by default, a major enforcer of repression.

5.   This, in a nutshell, is how closed organizational systems become self-defeating.

6.   As computer systems become even more sophisticated, so too do the methods of those who exploit the technology.

7.   The political system has become thoroughly outmoded.

8.   Dust extraction plant had been installed and a vacuum cleaning system became operational.

9.   As computer systems become more powerful, less stress needs to be paid to problems of implementation and more to problems independent of implementation.

10.   When object-oriented database systems become more widely available, there may be a number of application domains where their advantages make them a good choice.