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Hydrology
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Defense Industry
Defense Procurement
Logistics
Software Testing
Gastronomy
New Media
Hydrology
Nichtkarbonathärte, Permanente Härte
Nichtkarbonathärte, Permanente Härte
Terms of Hydrology
Wasserhärte, bedingt durch gelöste Kalzium- und Magnesiumsalze, ohne Karbonate.