Machines can be symmetric.Logical formLearned from2 sentences. A session-key can be symmetric.Logical formLearned from2 sentences. An (encryption protocol) can be symmetric.Logical formLearned from2 sentences. Routes can be symmetric.Logical formLearned from2 sentences. Winds can be symmetric.Logical formLearned from2 sentences. Buildings can be symmetric.Logical formLearned from2 sentences. A laminate can be symmetric.Logical formLearned from2 sentences. A duct can be symmetric.Logical formLearned from2 sentences. A bubble can be symmetric.Logical formLearned from2 sentences. A (radio emission) can be symmetric.Logical formLearned from2 sentences. Services can be for symmetric keys.Logical formLearned from2 sentences. Links can be symmetric.Logical formLearned from2 sentences. Symmetric forms may remain (glyph variants).Logical formLearned from2 sentences. Symmetric forms may use a stroke.Logical formLearned from2 sentences. An inport can be symmetric.Logical formLearned from2 sentences.