Solar energy may undergo concentration.Logical formLearned from4 sentences. Benzylpenicillin may undergo concentrations.Logical formLearned from4 sentences. Concentration can be short-lived.Logical formLearned from4 sentences. Pigments may undergo concentration.Logical formLearned from4 sentences. Odorants may undergo concentrations.Logical formLearned from4 sentences. A vicinity of a site may have concentration of radioisotope.Logical formLearned from4 sentences. Shipping may undergo concentration.Logical formLearned from4 sentences. Some (concentration camp) can be in a country.Logical formLearned from4 sentences. A (solute concentration) can be high.Logical formLearned from4 sentences. (Movie palaces) may undergo concentration.Logical formLearned from4 sentences. Bungalows may undergo concentration.Logical formLearned from4 sentences. Walruses may undergo concentration.Logical formLearned from4 sentences. An outer wall can be from (concentration camp).Logical formLearned from4 sentences. Malls may undergo concentration.Logical formLearned from4 sentences. (Chlorine concentrations) can be high.Logical formLearned from4 sentences.