Those mechanical arms could just as easily have thrown fire into the keep, but had not.

The remote opened its mechanical arms like a giant spider.

She slipped through before the mechanical arm could close it again.

He has built a series of four mechanical arms.

The second set of the mechanical arms and hands was being run out to its plane on a flatcar.

Its mechanical arms had broken the force of the impact, but at a cost that was more than he could afford to pay.

He has a mechanical arm advanced beyond any produced in the West.

Two mechanical arms are mounted to the base of the tank.

The mechanical arm has never before moved anything so big.

Also inserted were special mirrors on the ends of mechanical arms.