This butterfly valve is used to control the flow of fluid.

He explained in detail about the structure of the sphenoid bone.

He drew a straight line using a T-square.

She is learning the grammar of the present progressive form.

When you exercise, your body releases endorphins, making you feel good.

We are in a long-distance relationship, and it has become a daily routine to talk via video call.

He works in the entertainment industry.

The entablature of this building reflects the architectural style of ancient Greece.

This shape is a parallelogram.

This shape is a parallelogram.