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File:Tunneling Laser Beam for Pipe Jacking.jpg

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File:Tunneling Laser Beam for Pipe Jacking.jpg
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491 × 480 pixels
785 × 768 pixels
1,047 × 1,024 pixels
2,176 × 2,128 pixels
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Sabino Freitas Correa
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Techarticles
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Creative Commons Attribution-ShareAlike 4.0 International

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