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.
3-tab shingles weigh about 300 lbs per square. 1  10 square of roofing shingles = 1.5 tons of total weight: Go with a 15 yard dumpster. 2  20 square of roofing shingles = 3 tons of total weight: Go with an 15 or 20 yard dumpster. 3  30 square of roofing shingles = 4.5 tons of total weight: Go with a 20 or 30 yard dumpster.