| The laser and opto Web site | |||||||||||||||||||
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| View at 200 m altitude. The tube under the road is seen at booth ends. The small road to the acre is easily detected . The cement tube appears white compared to the soil. Asphalt on the road is easily noticed and a very good feeling about road width and centre position is known. |
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| Same place from side with the ends of the cement tube. | |||||||||||||||||||
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