41.   The lander itself will use a robot arm to dig up soil and measure its water content.

42.   The linkup will kick off a weeklong effort by the shuttle crew to assemble, activate and check out the robot arm.

43.   The modules each have a conveyor and a pair of robot arms that accept custom tooling.

44.   The robot arm will be employed extensively by shuttle crews in the orbital construction of the new U.S.-led international space station.

45.   The spacecraft is then retrieved by shuttle astronauts with the robot arm and returned to Earth.

46.   The rover is equipped with television cameras, a still camera and robot arms to take samples from the ocean floor.

47.   The spacewalkers will be swung over the payload bay to test whether they can maintain control of the satellite while perched on the robot arm.

48.   The spherical motor offers the prospect of robot arms that are considerably more precise than current versions.

49.   The utilities will enable astronauts posted inside the station to control the movements of the rail car as well as the flexing and grappling motions of the robot arm.

50.   To help ease the process, some big gasoline retailers are experimenting with new gadgets, including radio transmissions, robot arms and scanner technology.