The project is progressing smoothly.

The gearing of this bicycle is very smooth.

This machine takes energy from the power source and operates by transmitting it.

This electric wire is an excellent conductor, transmitting electricity efficiently.

I commute to school by bicycle every day.

He is touring the regions where he learns dialects by bicycle.

I was amazed at his extraordinary talent.

Please press this button in case of emergency.

It is a very beautiful view.

The conduction band is the energy region where electrons can move freely.