It is said that this substance has a high carcinogenicity.

This movie contains content for adult audiences, so viewing is prohibited for those under 18.

The 24-cell is one of the convex regular polytopes in four dimensions.

He found a regular dodecahedron-shaped spicy cod roe.

He made a model of a regular icosahedron.

He drew water from the well.

It is said that the education system in Japan is strict.

His energy is unstoppable.

My surname is Tanaka.

His surname has a historical background.