Firms may undergo concentrations.Logical formLearned from18 sentences. (Fatty acids) may undergo concentrations.Logical formLearned from18 sentences. Ps may undergo concentration.Logical formLearned from18 sentences. Ducks may undergo concentrations.Logical formLearned from18 sentences. Concentration may be required.Logical formLearned from18 sentences. A person may survive a (concentration camp).Logical formLearned from18 sentences. Phosphate may undergo concentrations.Logical formLearned from18 sentences. Concentration can be in markets.Logical formLearned from18 sentences. (Vapor concentrations) can be high.Logical formLearned from18 sentences. Concentrations can be in (surface waters).Logical formLearned from18 sentences. Expertise may undergo concentrations.Logical formLearned from18 sentences. Concentration may undergo determination.Logical formLearned from18 sentences. Concentrations can be in waters.Logical formLearned from18 sentences. Concentrations may change.Logical formLearned from18 sentences. A nature may pertain-to concentration.Logical formLearned from18 sentences.