Many who have appeared for auto insurance prior to now could have seen one thing odd; some corporations ask you for a very important quantity, important to everybody – your Social Security Quantity. In Australia, pure fuel is transported from gasoline processing amenities to regulator stations via Transmission pipelines. Gas is then regulated right down to distributed pressures and the gas is distributed around a fuel network by way of gasoline mains. Small branches from the community, called companies, connect individual domestic dwellings, or multi-dwelling buildings to the network. The networks usually vary in pressures from 7kPa (low pressure) to 515kPa (high strain). Fuel is then regulated right down to 1.1kPa or 2.75kPa, earlier than being metered and passed to the consumer for domestic use. 85 Pure Fuel mains are created from a variety of supplies; historically cast iron, more fashionable mains are constructed from steel, or polyethylene.