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.
When natural gas is used directly, then from the place where it is extracted from the ground, to appliances in your home, natural gas achieves 92 percent energy efficiency. An Emissions Solution in Your City. Natural gas is the cleanest alternative transportation fuel available. Compared with diesel and gasoline, natural gas can reduce greenhouse gas emissions by 20 to 30 percent. The exhaust emissions of natural gas vehicles, when compared to those of gasoline and diesel vehicles, offer ...