He sent a message using the telegraph code.

We plan to post advertisements for new products.

He is known as an excellent reporter.

The reporter is investigating the details of the incident.

Many tetrapods were installed to protect the coastline.

We are aiming to kill two birds with one stone with this plan.

His words held a double surprise, like 'isseki-rokuto'.

This mineral is called ulexite and has special optical properties.

This stone is a mineral called clinozoisite.

This beautiful stone is a mineral called clinozoisite.