“In particular, this arm has 7 degrees-of-freedom that makes the overall motion of the arm very complex so that, before you start driving the arm, you should be very familiar with all the position it can get.”
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And so, in case we have contingencies and things that we cannot accomplish within the duration of the space walk, we have a buffer, I mean, in order to be able to complete the... what we want to accomplish.
Umberto Guidoni 
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I was, I remember, I still remember when the first time I pointed the telescope at the sky and I saw Saturn with the rings. It was a beautiful image.
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When this space walk will be completed, then the arm will be fully operational and ready for the next activity that will be pretty much the testing, the first flight testing of the space station arm.
Umberto Guidoni
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