There are dozens of roadblocks reinforced by machine guns mounted on American-built Humvees.

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In addition, the arm has an in-built laser pointer that can show exactly where on a machine work should start or where parts should be placed.

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As a result, the 7-AS is being followed by a larger machine, the Wendelstein 7-X, which is being built (see photograph on previous page) by the Max Planck Institute in Greifswald and has a capacity of 30 cubic metres.

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