NUCOR, the leading US steel mini-mill group is to greatly expand production capacity at a plant in Crawfordsville, Indiana which has shaken up the industry by its use of a radical, new technology.
They are going to close down the plant and produce copper instead. 
( z1 and :op ( z2 close-down :ARG0 ( z3 they ) :ARG1 ( z4 plant ) ) :op ( z5 produce :ARG0 z3 :ARG1 ( z6 copper ) ) :ARG1-of ( z7 instead-of ) )