(Performance measurement) can be difficult.Logical formLearned from7 sentences. Expertise can be in measurement.Logical formLearned from7 sentences. An error may pertain-to a measurement.Logical formLearned from7 sentences. Quantitative methods may require measurement of (zone diameters).Logical formLearned from7 sentences. Measurements may undergo a selection.Logical formLearned from7 sentences. Volatility may undergo a measurement.Logical formLearned from7 sentences. Dust may undergo measurements.Logical formLearned from7 sentences. Measurements can be for use.Logical formLearned from7 sentences. (Investment performance) may undergo a measurement.Logical formLearned from7 sentences. Measurements can be misleading.Logical formLearned from7 sentences. A goal may pertain-to measurements.Logical formLearned from7 sentences. Measurements can be valid.Logical formLearned from7 sentences. A (measurement host) may pertain-to persons.Logical formLearned from7 sentences. Experience can be in measurement.Logical formLearned from7 sentences. Elevation may undergo measurements.Logical formLearned from7 sentences.