Rhenium is a rare metal with stable characteristics at high temperatures.

It's high temperature today, it's hard to go out.

This scarce mineral is very expensive.

Understanding the characteristics of that plant is very important for growing it.

This metal is very hard.

This company is very stable.

This machine has a function to even out the current.

He was holding my hand tightly.

He was running while holding a bag.

He always carries an umbrella around.