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.
The total cost of a new metal roof, including materials and installation, can be around the following: 1  Basic interlocking steel shingles from $5,000 to $17,000. 2  Corrosion resistant steel sheets will cost about $12,000 to $22,000. 3  Aluminum metal roofing should be around $12,000 to $20,000.