The arteries are the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body. Each artery is a muscular tube lined by smooth tissue and has three layers:1  The intima, the inner layer lined by a smooth tissue called endothelium.ll rights reserved. The arteries are the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body. Each artery is a muscular tube lined by smooth tissue and has three layers: 1  The intima, the inner layer lined by a smooth tissue called endothelium.
How much does an ASCBP steel roof weigh? Metal Roofing in general is a very strong, yet lightweight material compared to other roofing products. The 26 gauge metal roofing products weigh between 0.90 â 1.00 lbs.
1 Metal roofing materials cost about $1,000-$2,000 for a single-wide or $1,800-$3,000 for a double-wide, depending on size of unit and manufacturer and are designed to last a lifetime.2  Metal roofs may be installed over an existing roof with or without a DIYer adding insulation in between. Metal roofing materials cost about $1,000-$2,000 for a single-wide or $1,800-$3,000 for a double-wide, depending on size of unit and manufacturer and are designed to last a lifetime.