Nearly 70% of Chinaâs electricity comes from coal. In total, coal produces around 40% of the worldâs electricity. Coal mining and the subsequent burning of coal can have many bad effects on both humans and the environment.
Favelas. Posted May 18, 2007 by Road Junky. A favela is a slum, an illegal settlement built on squatted lands. A favela is a slum, an illegal settlement built on squatted lands. Brazil has one of the worst distributions of wealth in the world and the poor have got to live somewhere. The favela dwellers build their houses out of wood and garbage, then later when they have the money, they upgrade to a home made concrete home.
ASTM-- American Society for Testing Materials. AWWA-- American Water Works Association. BALES-- Banded lifts of pipe. BAR MILL-- Roiling mill where blooms are processed to form billets. BESS-- Bessemer. BEVEL-- The angle formed between the prepared edge of the end of the pipe and a plane perpendicular to. the surface. Standard line pipe bevel is 30 degrees. BILLET-- Round solid bar of steel which is pierced to form a seamless tube or pipe. BLK-- Black -- term used when O.D. surface of pipe is protected with a varnish-type oil. Also applies to bare pipe.