In Depth: Chest. A womanâs chest â like the rest of her body â is covered with skin that has two layers. 1  The epidermis is the outermost layer that provides a protective, waterproof seal over the body. 2  The dermis is the under layer that contains sweat glands, hair follicles, blood vessels, and more.
Natural gas is furnished by privately owned Puget Sound Energy, which began its existence in 1886, generating electric power as the Seattle Electric Light Company.
Section 8-10: Natural Gas/Fuel Gas Systems. Fuel gas piping is limited to natural gas that is supplied through site distribution mains from a Washington Gas source. Propane may be used for remote buildings when life-cycle costing justifies its installation over natural gas.