A classification may undergo a refinement.Logical formLearned from11 sentences. Levels may pertain-to a classification.Logical formLearned from11 sentences. Waste may undergo a classification.Logical formLearned from11 sentences. Observations may undergo a classification.Logical formLearned from11 sentences. Regard can be to classification.Logical formLearned from11 sentences. Classification can be in engineering.Logical formLearned from11 sentences. Classification may be sought.Logical formLearned from11 sentences. A classification may include tests.Logical formLearned from11 sentences. A quality may pertain-to a classification.Logical formLearned from11 sentences. A position may undergo a (classification level).Logical formLearned from11 sentences. Risks may undergo a classification.Logical formLearned from11 sentences. Industries may undergo a classification.Logical formLearned from11 sentences. A classification may include locations.Logical formLearned from11 sentences. Violations may undergo a classification.Logical formLearned from11 sentences. Employees can be in a (job classification).Logical formLearned from11 sentences.