Characteristics may pertain-to an expression.Logical formLearned from8 sentences. A characteristic may pertain-to a problem.Logical formLearned from8 sentences. Characteristics may pertain-to an original work.Logical formLearned from8 sentences. A (sample estimate) of a characteristic of interest may differ from a (population value) of a characteristic.Logical formLearned from8 sentences. An area may be based on characteristics.Logical formLearned from8 sentences. (Safety characteristics) can be inherent.Logical formLearned from8 sentences. An effect can be on characteristics.Logical formLearned from8 sentences. Characteristics may be preserved.Logical formLearned from8 sentences. A characteristic may be used.Logical formLearned from8 sentences. Characteristics may pertain-to a system.Logical formLearned from8 sentences. Characteristics may be studied.Logical formLearned from8 sentences. Characteristics can be accidental.Logical formLearned from8 sentences. Characteristics may pertain-to studies.Logical formLearned from8 sentences. Characteristics can be archaeological.Logical formLearned from8 sentences. A test may undergo (performance characteristics).Logical formLearned from8 sentences.