(Cartridge studies) may use a (breathing rate).Logical formLearned from2 sentences. Painters may have a (breathing rate).Logical formLearned from2 sentences. A vapor may undergo a breathing.Logical formLearned from2 sentences. An individual may experience (breathing difficulty).Logical formLearned from2 sentences. A device may provide (breathing assistance) to an individual.Logical formLearned from2 sentences. A vicinity may pertain-to a (breathing zone).Logical formLearned from2 sentences. A (challenge agent) may be introduced into a vicinity of a (breathing zone).Logical formLearned from2 sentences. Some manufacturers may have (breathing devices).Logical formLearned from2 sentences. A (breathing area) may pertain-to a worker.Logical formLearned from2 sentences. (Nursing personnel) may undergo a (breathing zone).Logical formLearned from2 sentences. Gases can be in a (breathing circuit).Logical formLearned from2 sentences. A respirator may undergo a (breathing resistance).Logical formLearned from2 sentences. A (breathing resistance) of a respirator may reduce an acceptability to employees.Logical formLearned from2 sentences. Workers may have (difficulty breathing).Logical formLearned from2 sentences. Respirators may include (breathing apparatus).Logical formLearned from2 sentences.