Ammonia may be derived from urea.Logical formLearned from1 sentences. Ammonia can be a component of urine.Logical formLearned from1 sentences. A (railroad tank) may be filled with anhydrous ammonia.Logical formLearned from1 sentences. Air may be filled with an (ammonia smell).Logical formLearned from1 sentences. A cocktail can be constituted-of-or-filled-with ammonia.Logical formLearned from1 sentences. No. can be with an appearance of ammonia.Logical formLearned from1 sentences. (Ammonia pumps) may undergo an activation.Logical formLearned from1 sentences. Activation of some (ammonia pumps) can be crucial.Logical formLearned from1 sentences. Hoses may be charged with (ammonia refrigerants).Logical formLearned from1 sentences. A bucket can be with a solution of ammonia.Logical formLearned from1 sentences. Confusion may result from (ammonia buildup).Logical formLearned from1 sentences. (Ammonia levels) can be a sign of liver.Logical formLearned from1 sentences. An (ammonia gas) may be chilled into a liquid.Logical formLearned from1 sentences. Some persons may enjoy a touch of ammonia.Logical formLearned from1 sentences. Ammonia may have a smell.Logical formLearned from1 sentences.