It's cold, chilly - like a trip into the grave - going down that big pipe.

They provide the big pipe that we use to stream and everything.

But these big pipes, meanwhile, are being flooded with stuff.

And notice that these big pipes are expensive, even when they're not being used.

We entered a tunnel, a big pipe, bigger around than a tube house.

He sat down on one of the big pipes next to a turbopump casing.

"Make sure no one's watching, then get down and crawl right into the big pipe."

They ran to the opening of the big pipe and peered in.

A bigger pipe, more water goes through offering less resistance.

He picked up the big pipe again and began to squeeze the bowl.