Japan underwent rapid industrialization during the Meiji era.

This mechanical doll was made using ancient technology.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

A skew-symmetric matrix has the characteristic that its transpose matrix is the inverse of the original matrix.

I heard the cry of the Hororo bird.

His tone of voice indicated that he was angry.

The mayor is working hard for the development of the village.

The doctor listened to my heart sound using a stethoscope.

The hinge of this door has broken.

He jumped high.