1. The result can be a steady buildup of outdated technology, one layer on top of another.

2. Much of that strength reflected a buildup in business stockpiles.

3. Sensors will also track the buildup of pressure between the two plates.

4. Yet in many ways, the buildup reflects a more worrying sign.

5. Attempts to accuse Russia of a buildup of troops are unfounded.

6. Such buildup is fairly common in prehistoric skeletons, the researchers said.