An oil refinery, Shell at Martinez, California. The tapering vertical elements are smokestacks to create draft for heating units. Most of the complex vertical units are fractionating towers. Others are flares.
Image taken July 20, 2004 by User:Leonard G. .
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An oil refinery. The tapering vertical elements are smokestacks to create draft for heating units. Most of the complex vertical units are fractionating towers. Others are flares, at this refinery (Shell at Martinez, California) designed and permitted for
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