1.   Robodoc, a mechanical arm with a drill on the end, helped surgeons carry out a complicated hip replacement.

2.   The position of the surgical instrument in the real skull is determined by the sensors in the mechanical arm.

3.   They were already converting from three-person to one-person trucks, with mechanical arms that picked up trash barrels.

4.   The mechanical arms are manipulated by a computer.

5.   Earlier attempts to retrieve it by means of an elaborate mechanical arm had failed.

6.   As the human surgeon maneuvers scalpel and forceps, his movements are beamed to the mechanical arms in the mobile ER.

7.   A mechanical arm lifts up, cleans and dries the stainless-steel toilet.

8.   A robot moves its mechanical arm, as a keyboard relays information about a herniated disc.

9.   Mechanical arms in the cameras opened the forms and smoothed the pages flat so they could be photographed for microfilm.

10.   Research modules will be contributed by Japan and the European Space Agency, and Canada will build a mechanical arm to move the pieces around in space.