1.   A major advantage of both MID-TEL and MID-CRED is that neither system requires customers to install expensive computer equipment.

2.   In California, the state university system requires that faculty members teach five courses a year.

3.   Systems required too much resource and became too slow.

4.   The morphological system can require a long time to obtain the syntactic information for a word.

5.   The new system would require infants to travel in seats equipped with a child-restraint system.

6.   The system requires depth at the small forward spot, which the Warriors lack, and good ball-handlers.

7.   The truss system requires a very long lead time.

8.   The whole system requires enormous amounts of energy.

9.   The whole system requires several people to operate it if it is to be used to its full capacity.

10.   These systems require frequent attention and expense, and even the most up-to-date can be a nuisance to neighbours.