She had rinsed out the tub, and lowered the big and tarnished metal plug into the hole.

Too narrow, and the central processing plant was a metal plug massing hundreds of tons.

To have got the control column back far enough to gain height he would have had to crush a solid metal plug to wafer-thinness.

In fact, for every metal plug through the board, there was a fuse that would disconnect it from the circuitry now being built.

Suomi stepped forward and held up what appeared to be an empty glass cylinder with a metal plug at its upper end.

He drilled small holes in each one of these points and put in a metal plug.

Now the buttons of the top panel, when pressed, would come down and touch a metal plug.

The little metal plugs showed on the underside.

A large metal plug sealed it shut.

A tremendous metal plug, with spurs and gaps and rungs.