It involved sending a miniature mobile robot up the two shafts.
Inspection and monitoring are expected to be done by mobile robots capable of pattern recognition.
One reason, of course, is that while sophisticated, mobile robots scarcely exist, actors do.
National competitiveness is at stake in developing mobile robots.
To be sure, these mobile robots are still very much works in progress.
Simple mobile robots have begun to find their way into the commercial sector, and more are likely to appear soon.
These programs have pushed mobile robots forward, following a reasoning process very similar to that used when a computer plays chess.
For simplicity most mobile robots have four wheels or a number of continuous tracks.
For these reasons, it is relatively popular for making small, mobile robots.
A robot is, in some ways, merely a mobile robot.