Anhydrous ammonia may be used as a refrigerant.Logical formLearned from3 sentences. Ammonia may be found in a river.Logical formLearned from3 sentences. Discharges may contain ammonia.Logical formLearned from3 sentences. An (ammonia production line) can be synthetic.Logical formLearned from3 sentences. An (ammonia pipeline) may be repaired.Logical formLearned from3 sentences. A blast may cause a rupture of an (ammonia pipeline).Logical formLearned from3 sentences. An (ammonia pipeline) may undergo a rupture.Logical formLearned from3 sentences. Ammonia can be in an urine.Logical formLearned from3 sentences. A nervous system can be sensitive to effects of ammonia.Logical formLearned from3 sentences. Ammonia may escape.Logical formLearned from3 sentences. Ammonia can be a compound.Logical formLearned from3 sentences. A (waste product) can be an ammonia.Logical formLearned from3 sentences. A song can be by ammonia.Logical formLearned from3 sentences. Nitric acid can be from ammonia.Logical formLearned from3 sentences. Crystals can be constituted-of-or-filled-with ammonia.Logical formLearned from3 sentences.