を用いて

using

→ を
phrase Rare #26,698
using A formal expression meaning “using” or “by means of.” It is often used in written or academic contexts and is followed by the method, tool, or thing being used.
JA: 図を用いて説明します。
EN: I will explain it using a diagram.

先生はを用いて彼の理論を説明した

The teacher explained his theory using pictures.

話し手を用いてその理論を説明した

The speaker explained the theory using an example.