The system used helium tanks to pressurize the fuel lines.

"And at least one of us will be behind the helium tank all day," Mrs. Burdick said.

Please note: This disposable helium tank is recyclable, but not refillable.

If that's the guy who sabotaged our helium tanks, what's his game?

He related how the ship's helium tanks had been emptied.

Then he signaled for the flatbed truck with the long helium tanks on the back.

With the aid of a helium tank, they will rise when we wish them to do so.

The child, the balloon, the helium tank, the blow gun: all are invisible, imaginary, made of nothing but sound and mime.

The propulsion-system helium tanks were being filled, antenna alignment was completed.

There was a plastic bag over his head and a helium tank with an attached hose and a suicide note were found nearby.