Let's use a radiation dosimeter to measure the radiation levels in this area.

I wonder where my sphygmomanometer is?

I use a pedometer every day to record the distance I walk.

The doctor used an electrocardiograph to check the condition of my heart.

He measured muscle activity using an electromyograph.

In this experiment, we will measure the critical Reynolds number.

I am currently reading Numbers.

What is the value below this decimal point?

She is a famous numerologist, and many people seek her advice.

Please teach me how to find the greatest common divisor.