I found a beautiful sea slug at the bottom of the sea.

Due to the thick fog, visibility is almost zero.

He had to let go of other jobs to focus on important business.

Pus came out of his wound.

Pus came out of his wound.

Thallium is one of the chemical elements, and its symbol is Tl.

Rhenium is a rare metal with stable characteristics at high temperatures.

Iridium is a metal that is very rare in the Earth's crust.

I always relax at the seashore on weekends.

Ruthenium is part of the platinum group and is a hard, white metal.