On an energy plant built 150 feet high with spiraling metal, turbo-jet-spun blades and 230,000 volts surging through wires, Rafael Santana feels at home.
Outside, the ground is rocky, uneven, littered with scraps of metal and the sporadic green ear plug. There are roars and vibrations, both from machinery that looks like backdrops of an alien film and from a building-sized combustion turbine that rolls faster and faster as it burns through natural gas.
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