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YGL - S200 sonic drill factory try video
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VibroDrill VD130
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VibroDrill VD100 with Timecode in concrete
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VD130 - drilling 178mm rods down
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Video images
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Part of the sample
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Sampling drilling process
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Core drilling is not fast (to drill)
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Not fast drilling core drilling process
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Preparation before construction
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Drilling, sampling process
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Drilling process
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Sonic Rig YGL-S100 video dam power plant construction