Nitrogen can be in a form of ammonia.Logical formLearned from8 sentences. (Ammonia levels) can be elevated.Logical formLearned from8 sentences. An ammonia can be dry.Logical formLearned from8 sentences. Anhydrous ammonia can be in a container.Logical formLearned from8 sentences. Anhydrous ammonia may undergo a use.Logical formLearned from8 sentences. (Ammonia crystals) can be frozen.Logical formLearned from8 sentences. A male may inhale ammonia.Logical formLearned from8 sentences. An (ammonia pump) can be spare.Logical formLearned from8 sentences. An (ammonia gas leak) can be at a plant.Logical formLearned from7 sentences. Ammonia may undergo an injection.Logical formLearned from7 sentences. An (ammonia solution) can be concentrated.Logical formLearned from7 sentences. Ammonia may play a role.Logical formLearned from7 sentences. Ammonia may undergo solutions.Logical formLearned from7 sentences. Higher levels can be constituted-of-or-filled-with ammonia.Logical formLearned from7 sentences. Ammonia may be produced.Logical formLearned from7 sentences.