工厂加工机械中,常有大量的铁屑留下,长期以来这些铁屑送给炼钢厂也不要,因为它太轻微,投入炼钢炉再熔炼,一下就飞扬了。因此,一个时期铁屑成灾,机械加工厂常为处理它而大伤脑筋。韩国有家唯进金属公司,发现日本 In the factory processing machinery, a large amount of scrap iron often remains. For a long time, these scrap irons are not given to steel mills. Because it is too slight, it is thrown into the smelting furnace for melting. Therefore, a period of scrap iron disaster, mechanical processing factory often handle it and big headache. Korea only home into the metal company, found in Japan