He has a gun.

What is this equipment used for?

My paper is going to be presented at the Institute of Electrical and Electronics Engineers conference.

He has a gun.

He picked up the gun and took aim.

The transmission of this car is very smooth.

This transporter is designed to carry luggage efficiently.

This experimental device is used to create new substances.

He is making a Rube Goldberg machine at home.

This display device has a very high resolution.