"Local methane: Electrical engineer - Charles Phillips reading the meter of his methane gas regulator. The two cylinders are called digestors. Pig manure are placed inside to begin the process for producing cooking gas."
"Jamaican-manufactured tanks to collect dust particles generated in the refining of Jamaican bauxite are now being installed at Kaiser Aluminum and Chemical Corporation's Gramercy, Louisiana, alumina refining plant. The units, part of an $8 million…