1 Enter dsconfigad -show. 2  If you are connected to a domain, you will see a printout containing Computer Account and Active Directory Domain. 3  If you are not connected to a domain, nothing will display and your machine does not have a fully qualified domain name.  Start on the desktop.
Organic asphalt shingles have a paper mat or backing with a layer of asphalt added on top. Fiberglass asphalt shingles contain a mat made of fiberglass with a layer of asphalt added on top. Composition shingles are made from materials such as asphalt or asbestos, tar paper, slate, shake, laminate and wood. The combination of these ingredients improves the shingle's strength.
Wood roofing can last about 30 years.Asphalt shinglesâthe most common roofing used in the United Statesâare made with a fiberglass or organic base that's saturated with asphalt and coated on one side with mineral granules, like small gravel. The mineral coating resists weather damage.