This room is known for its spaciousness.

This building is strengthened by using silicon steel.

This product uses high-quality silicone resin.

The manufacturing industry occupies an important part of the economy.

We are considering introducing a new production line.

This bottle is reusable.

Who is the user of this software?

He is the most competent employee of our company.

Are you really not going to use this unused laptop?

He is widely known in this town.