I lost my mechanical pencil, so I'm going to buy a new one.

This world continues to give rise to innumerable changes.

Pentadecane is produced in this chemical reaction.

This compound is an organic chemical called pentacosane.

In organic chemistry, pentatriacontane is a saturated hydrocarbon consisting of 36 carbon atoms.

He likes wearing suspenders.

His painting expresses pure beauty.

Our company's headquarters is in Tokyo.

The digital song catalog for karaoke has been updated.

At the end of the meeting, we concluded with a ceremonial hand clapping of three claps.