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Rfdshir: causality
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Rfdshir: unclear signs
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Rfdshir: stratification
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Rfdshir: dolmen
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Rfdshir: petroglyph
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Rfdshir: helix
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Rfdshir: entropy
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Rfdshir: the beginning
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Rfdshir: expansion of space
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Rfdshir: wave–particle duality
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Rfdshir: сoacervate
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Rfdshir: structure\1
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Rfdshir: concept of human
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Rfdshir: structure\2
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Rfdshir: empty structure