The tradition of this region has been passed down from generation to generation.

Electrification in Japan is progressing rapidly.

This town is scheduled to be fully electrified by next year.

There is a class observation at my son's school tomorrow.

The use of mobile phones is prohibited during class.

The children were playing by beating the pellet drum.

He loves physics and studies it in the library almost every day.

I am majoring in physical chemistry at university.

He is a world-famous physicist.

This factory has introduced new machines to increase the speed of paper manufacturing.