People working in particular industries in the last hundred years or so have been disproportionately affected by exposure to asbestos, and asbestos use became federally regulated beginning the 1970s. (getinjuryanswers.com)
Although the analysis of financial ratios is well developed and the actual ratios are well known, practicing financial analysts often develop their own measures for particular industries, and even for individual companies. (finpipe.com)
This is true of general business but of particular industries as well. (novelinvestor.com)