What is this tool used for?

My sense organ recognized his voice immediately.

He used a syringe to inject the medicine.

The ritual vessel was an important tool used in ancient ceremonies.

The doctor listened to my heart sound using a stethoscope.

This ship is equipped with a new propeller.

A large number of microliths were found at this archaeological site.

We are looking for an incubator for our new project.

My mother loves collecting teaware.

He analyzed the light of the stars using a new spectroscope.