一、现代化社会对废钢加工业的影响随着工业、交通业的发展,世界人口的增长以及城乡人民物质文明的提高,废钢加工业也逐步发展起来。60年代以来,世界进入现代化社会发展时期,废钢加工业出现了一系列的变化。1.钢铁工业与废钢业本世纪初,世界钢产量每年只有几千万吨,钢铁积累量仅5亿吨;70年代,世界钢年产量跃增到7亿吨, I. Impact of Modern Society on Scrap Steel Processing Industry With the development of industry and transportation, the growth of the world’s population and the improvement of material civilization of both urban and rural people, the scrap processing industry has been gradually developed. Since the 1960s, the world has entered a period of development of modern society and a series of changes have taken place in the scrap processing industry. 1. Iron and steel industry and scrap industry At the beginning of this century, the world’s steel production was only tens of millions of tons per year, and the accumulated amount of steel was only 500 million tons. In the 1970s, the annual output of world steel jumped to 700 million tons,