Definitions for "Oil refinery"
a refinery for petroleum
a manufacturing facility that uses crude oil as a raw material and produces a wide variety of products
an example of process manufacturing
Keywords:  maze, towers, pipes, heaters, reactors
a complex maze of steel structures, tanks, fractionating towers, heaters, reactors, pumps, heat exchangers, instrumentation, utilities, and miles of connecting piping
a more than just a complicated maze of steel towers and pipes
Keywords:  village, industrial, size, large, site
a large industrial site - usually the size of a large village
Keywords:  combination, units
a combination of all of these units