A (loop feedback) can be closed.Logical formLearned from4 sentences. Shutters of a house can be closed.Logical formLearned from4 sentences. (Grocery stores) can be closed.Logical formLearned from4 sentences. A mon can be closed.Logical formLearned from4 sentences. A closed session may undergo a completion.Logical formLearned from4 sentences. (Life support systems) can be closed.Logical formLearned from4 sentences. A (log file) can be closed.Logical formLearned from4 sentences. A (skin incision) may be stitched closed.Logical formLearned from4 sentences. An incision may be stitched closed.Logical formLearned from4 sentences. Vortices can be closed.Logical formLearned from4 sentences. Some vents can be closed.Logical formLearned from4 sentences. Islands can be closed.Logical formLearned from4 sentences. A closed port can be on a pc.Logical formLearned from4 sentences. A packet can be a single access to a closed port.Logical formLearned from4 sentences. A single access can be to a closed port.Logical formLearned from4 sentences.