It had a patchwork quality imposed by the periodic replacement of plates.

Others may require periodic replacement due to mechanical fatigue of parts or aging of materials.

Some printers also require periodic replacement of the imaging drum, a part that can cost $175 or so.

I shall also argue that crises have a material basis, which relates to the periodic replacement and expansion of fixed capital.

The flexible tubing will tend to degrade with time and require periodic replacement.

The brick arch and the bars of the grate require periodic replacement due to the extreme heat they endure.

This solution has often issues like high cost of battery and its periodic replacement.

Water tanks could pay for themselves by not needing periodic replacement, if properly constructed of reinforced concrete.

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

Careful inspection and periodic replacement of them was needed, to avoid the risk of a boiler explosion.