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5. Steuler Press Release, “Steuler Anlagenbau Designs Waste Water and Waste-free Flue Gas Treatment Plant for Seagoing Vessels,” 2019. [Online]. Available: https://www.steuler.de/fileadmin/shared/documents/press-releases/en/2019-12-09-steuler-anlagenbau-designs-flue-gas-treatment-for-seagoing-vessels.pdf