At the building drain system's lowest point, the drain-waste vent is attached, and rises (usually inside a wall) to and out of the roof. Waste exits from the building through the building's main drain and flows through a sewage line, which leads to a septic system or a public sewer.t the building drain system's lowest point, the drain-waste vent is attached, and rises (usually inside a wall) to and out of the roof. Waste exits from the building through the building's main drain and flows through a sewage line, which leads to a septic system or a public sewer.
Government debt (also known as public debt, national debt and sovereign debt) is the debt owed by a central government.
Public corporation may refer to: Government-owned corporation Public company, i.e. a limited liability company that offers its securities for sale to the general public. Statutory corporation, i.e. a corporation created by statute, that is owned in part or in whole by a government (examples being are municipal councils, bar councils, universities).