The only thing I can see is a kind of tube.

She put the end of the tube to her eye and looked at him.

Before he could get an answer from her, they reached the pressure door at the end of the tube.

She brought the end of the tube up to his neck.

Get the other side of the tube on the wire.

Any shots at the wall of the tube will bring in water.

It was built at the same time as the construction of the tube.

"Not now," he called down from the top of the tube.

He placed his eye at the opening on the top of the tube.

The other end of the tube remains outside the patient's mouth.