A (containment area) may surround an (ammonia tank).Logical formLearned from2 sentences. An (ammonia onsite) can be aqueous.Logical formLearned from2 sentences. An (ammonia injection system) can be aqueous.Logical formLearned from2 sentences. A system may use aqueous ammonia.Logical formLearned from2 sentences. An (ammonia injection) can be aqueous.Logical formLearned from2 sentences. Ammonia may have an odor.Logical formLearned from2 sentences. Ammonia may be prepared.Logical formLearned from2 sentences. An ammonia may be found in cigarettes.Logical formLearned from2 sentences. Some preservative can be an anhydrous ammonia.Logical formLearned from2 sentences. Ammonia may irritate eyes.Logical formLearned from2 sentences. An (ammonia level) may pertain-to a male.Logical formLearned from2 sentences. Ammonia can be a poison.Logical formLearned from2 sentences. An ammonia can be in a tank.Logical formLearned from2 sentences. Cleaners may contain ammonia.Logical formLearned from2 sentences. A stench can be constituted-of-or-filled-with ammonia.Logical formLearned from2 sentences.