An (ammonia refrigeration system) can be anhydrous.Logical formLearned from6 sentences. Ammonia can be soluble.Logical formLearned from6 sentences. Ammonia may undergo an assimilation.Logical formLearned from6 sentences. (Ammonia molecules) may undergo vibrations.Logical formLearned from6 sentences. (Cigarette makers) may add ammonia to cigarettes.Logical formLearned from6 sentences. An ammonia may pertain-to the world.Logical formLearned from6 sentences. A molecule can be constituted-of-or-filled-with ammonia.Logical formLearned from6 sentences. Ammonia may undergo an increase.Logical formLearned from6 sentences. Anhydrous ammonia may be injected.Logical formLearned from6 sentences. Ammonia may undergo a decomposition.Logical formLearned from6 sentences. A person may smell ammonia.Logical formLearned from6 sentences. A whiff can be constituted-of-or-filled-with ammonia.Logical formLearned from6 sentences. Anhydrous ammonia may undergo an injection.Logical formLearned from6 sentences. Exposure can be to anhydrous ammonia.Logical formLearned from6 sentences. Ammonia may undergo a deposition.Logical formLearned from6 sentences.