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Segment formwork:
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Düsseldorf, Germany,
7 clarification tanks, diameter 48 m, height 4.80 m |

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Wien, Austria,
15 clarification tanks, diameter 65 m, height 4.50 m |

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Vienna, Austria,
baffles for 15 activation tanks, height 6 m |

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Jülich, Germany,
4 clarification tanks and 4 activation tanks,
diameters 26 and 40 m, heights 5 and 10 m |
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