A (leadership role) can be sustained.Logical formLearned from3 sentences. (Productivity gains) can be sustained.Logical formLearned from3 sentences. An insistence can be sustained.Logical formLearned from3 sentences. A life can be sustained.Logical formLearned from3 sentences. A comparison can be sustained.Logical formLearned from3 sentences. A convection can be sustained.Logical formLearned from3 sentences. An (observing system) can be sustained.Logical formLearned from3 sentences. Throughputs can be sustained.Logical formLearned from3 sentences. An order can be sustained.Logical formLearned from3 sentences. A (roof damage) can be sustained.Logical formLearned from3 sentences. A drinking can be sustained.Logical formLearned from3 sentences. An (advocacy effort) can be sustained.Logical formLearned from3 sentences. A continuum can be sustained.Logical formLearned from3 sentences. Recognition can be sustained.Logical formLearned from3 sentences. A personal growth can be sustained.Logical formLearned from3 sentences.