inlets, building engineering systems, distribution cabinets and other measures intended for electronic communications activities. 121. Physical infrastructure suitable for installing and/or sharing the electronic communications infrastructure (hereinafter: ‘suitable purpose physical infrastructure‘) shall mean gas, electricity, including public lighting, heating, water, including wastewater management infrastructure and drainage systems, production, distribution, transmission, supply or management infrastructure, railways, roads, ports, airports infrastructure, and other physical infrastructure (pipelines, cable ducts, collectors, manholes, retaining structures, including towers, masts, buildings, building inlets, building engineering systems, etc.) suitable for installing the electronic communications infrastructure and/or sharing it with the provider of public communications networks. 13. Electronic communications resources shall mean radio frequencies (channels), telephone numbers and other electronic communications networks identifiers, such as radio call signs, orbital resources, including the position in a geostationary orbit, and other resources necessary to carry out electronic communications activities, use electronic communications networks or radio equipment or terminal equipment and provide electronic communications services. 14. Assignment of electronic communications resources shall mean granting the right to use electronic communication resources in accordance with the conditions set by the Communications Regulatory Authority of the Republic of Lithuania (hereinafter: 'the Communications Regulatory Authority') by issuing an authorization. 15. Electronic communications service shall mean a service which is normally provided for remuneration and which consists wholly or mainly in the conveyance of signals via electronic communications networks, including telecommunications services and transmission services over networks used for broadcasting (re-broadcasting). Electronic communications services shall exclude services of providing, or exercising editorial control over the content of information transmitted using electronic communications networks or services; it does not include information society services which do not consist wholly or mainly of the conveyance of signals over electronic communications networks. 16. Electronic communications network shall mean transmission systems and/or switching or routing equipment and other facilities, including passive network elements, which permit the conveyance of signals by wire, radio, optical or other electromagnetic means, including satellite networks, fixed (circuit- and packet-switched, including the Internet) and mobile terrestrial networks, powerline systems (to the extent that they are used 4