Near the ceiling is a thick pipe with a tiny pipette sticking out of it.

The others knelt around him and saw there were thick pipes running horizontally a few feet below ground level.

On the far side a jumbled trail of prints led beside a thick pipe that vanished into the wall.

He wound his way down a narrow corridor, between stacks of thick pipes.

The hair now looked like a thick pipe with a narrow core.

Struck the back of his head violently against the thick pipe he was attached to.

Except for the thick pipe, George looked nothing like a sixty-something Harvard professor.

I looked up at the thick pipe that passed through the room; the rumbling was coming from it.

The thick pipe carried on across to the center of the room where it made a bend and vanished down through the floor.