1.   Additionally, some of the chairs in use at workstations are not adjustable, and will require replacement.

2.   Such items are obviously subject to wear and require periodic replacement.

3.   To sort and tabulate data, the devices employed delicate metal parts that required constant replacement.

4.   Underlay will most likely require replacement following water damage.

5.   Unfortunately the engine is beyond repair and requires a replacement.

6.   Longterm results, however, were unsatisfactory because of clogging or dislodgement, and required frequent replacement, which is not acceptable to these often young patients.

7.   Getting rid of PAHs requires the replacement of old cast iron mains lined with coal tar paper.

8.   But it seldom requires replacement, according to a spokesman for that airline, who asked that he and his company not be named.

9.   Computers may become as common a household or business appliance as a dishwasher or a telephone, but they will require replacement far more often, Deaton said.