What is this equipment used for?

He is making a Rube Goldberg machine at home.

This display device has a very high resolution.

This input device is very easy to use.

The transmission of this car is very smooth.

This experimental device is used to create new substances.

This transporter is designed to carry luggage efficiently.

The central processing unit of this computer is very fast.

This speech synthesizer generates very high-quality voices.

The central processing unit of this computer is very fast.