Operations can be transparent to a user.Logical formLearned from2 sentences. A firewall can be transparent to a packet.Logical formLearned from2 sentences. An (access concentrator) may act as a transparent bridge.Logical formLearned from2 sentences. An update can be transparent to upper (layer protocols).Logical formLearned from2 sentences. Services can be transparent to vrs of a carrier.Logical formLearned from2 sentences. Address can be transparent.Logical formLearned from2 sentences. Addressings of a type can be transparent.Logical formLearned from2 sentences. (Mobility events) can be transparent to nodes.Logical formLearned from2 sentences. A mode can be transparent to a frame.Logical formLearned from2 sentences. A (work environment) can be transparent.Logical formLearned from2 sentences. Angels can be transparent.Logical formLearned from2 sentences. A (glass surface) can be transparent.Logical formLearned from2 sentences. A spectrum can be constituted-of-or-filled-with transparent materials.Logical formLearned from2 sentences. A spectrum of transparent materials may act as polarizers.Logical formLearned from2 sentences. Phases can be transparent.Logical formLearned from2 sentences.