Sentence:  While there may be several such industries to which the model of this paper is applicable , the authors make particular claim of relevance to the explanation of the course of wages and prices in the <WSD>steel</WSD> industry of the United States since World War 2 , . 
Meaning of the word marked with <WSD> tags:  an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range