11.   Currently, robot arms that move in three dimensions require at least six conventional motors, all linked together, to position and orient an object.

12.   Currie had to use the Canadian-built robot arm to place Zarya on top of Unity without being able to see where the pieces joined.

13.   Currie nabbed Zarya relying on closed-circuit television views beamed from video cameras in the shuttle cargo bay and on the robot arm.

14.   Currie uses the robot arm to position astronauts Jerry Ross and James Newman.

15.   Discovery will soar ahead of Spartan, then rendezvous for retrieval by the robot arm after a two-day separation.

16.   During a week-long visit, they plan to add two new large components to the station with the robot arm and four lengthy spacewalks.

17.   During these later spacewalks, the astronauts will attach a fixture outside the lab to which a robot arm for the station will be attached later this year.

18.   Even seemingly minor issues like where to poke the holes in the chest for the robot arms can be problematic.

19.   Equipped with a robot arm, the Polar Lander was to dig into the terrain in search of suspected frozen water in the subsoil.

20.   Ground controllers believe the Japanese-made robot arm shut itself off after lurching upward slightly, moving outside of its software-restricted operating boundary.