A reciprocity can be closed.Logical formLearned from3 sentences. Graphs can be closed.Logical formLearned from3 sentences. A closed loop may turn into a noose.Logical formLearned from3 sentences. (File descriptor numbers) can be closed.Logical formLearned from3 sentences. A (log file) can be closed.Logical formLearned from3 sentences. A (task force) can be closed.Logical formLearned from3 sentences. Some options can be closed.Logical formLearned from3 sentences. (Access items) can be closed.Logical formLearned from3 sentences. A phenomenon can be closed.Logical formLearned from3 sentences. A commissary can be closed.Logical formLearned from3 sentences. A (field diaphragm) can be closed.Logical formLearned from3 sentences. A line may be marked closed.Logical formLearned from3 sentences. Vocal folds can be closed.Logical formLearned from3 sentences. A definition can be closed.Logical formLearned from3 sentences. (Committee doors) can be closed.Logical formLearned from3 sentences.