Sentence examples for these are used from inspiring English sources

These are used as bulwarks against doubters.

These are used in both replacement and new installations.

Some of these are used to give fireworks their colours.

These are used in casting, hot-pressing, and extruding.

All these are used for domestic American political agendas.

These are used to interpret the specification.

These are used by the manager when launching the client.

These are used as both protective and decorative finishes.

These are used to calculate risk-weighted assets.

Two of these are used to produce a key.

These are used to develop lungs if a birth is likely to be premature.