This is all fine and good if we were talking about machines, but these workers are human beings.

It tried to bite me, but I know something about machines.

A girl-genius, she knows everything there is to know about science and machines.

We've tried to show that this is not just about machines.

But ships aren't just about machines and ecosystems, are they?

I've got something to tell you about machines that swim through the air.

But the big pressing questions are no longer about machines.

Don't you think I had to learn a little something about machines there?

I want to make sure people understand that - we've been talking about virtual machines.

I don't know if you've ever thought about machines,' he said.