Some buses may lie-flat inoperable.Logical formLearned from1 sentences. (Fire exits) can be inoperable.Logical formLearned from1 sentences. Some boilers can be inoperable.Logical formLearned from1 sentences. A (security screening equipment) can be inoperable.Logical formLearned from1 sentences. Windows can be inoperable in grandstands of a clubhouse.Logical formLearned from1 sentences. A browser can be inoperable to (computer users).Logical formLearned from1 sentences. A cyst can be inoperable.Logical formLearned from1 sentences. Sections of a (rail line) may be made inoperable.Logical formLearned from1 sentences. A (bone cancer) can be inoperable.Logical formLearned from1 sentences. A colon can be inoperable.Logical formLearned from1 sentences. A (garage door) can be inoperable.Logical formLearned from1 sentences. Global-positioning systems can be inoperable.Logical formLearned from1 sentences. An (antiballistic missile system) can be inoperable.Logical formLearned from1 sentences. Scanners may remain inoperable.Logical formLearned from1 sentences. One-quarters of (school buses) can be inoperable.Logical formLearned from1 sentences.