91.   Hadfield also had trouble removing a video signal converter from the packing crate still attached to the other end of the robot arm.

92.   Hadfield and Parazynski wired up the robot arm through its packing crate during a seven-hour spacewalk on Sunday.

93.   If the same problem pops up Friday, astronauts can use a smaller robot arm attached to the shuttle to hoist the fourth tank.

94.   In case Zarya and Unity could not be connected with the robot arm, two spacewalking astronauts would have to manually fit them together.

95.   It is a bigger, smarter and more adroit version of the shuttle robot arm, with two hands versus one.

96.   It was hoisted by the shuttle robot arm, ever so slowly, up toward the space station.

97.   Japanese astronaut Koichi Wakata was tasked with controlling the robot arm from inside Discovery.

98.   More track will be added along with more framework, extending the reach of the robot arm for construction jobs.

99.   Much of the testing that had been planned for the robot arm will be scrapped, Hale said.

100.   NASA expects Voss and Helms to have enough time to practice using the newly installed robot arm before space shuttle Atlantis arrives in June.