The use of this machine is simple.

We will use boric acid in this experiment.

This computer can be used by anyone.

We conducted a new experiment in science class.

We will conduct a new chemistry experiment tomorrow.

Borates play an important role in chemical reactions.

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?