steel scrap materials recycling. aluminum chip waste after machining metal parts on a cnc lathe. closeup twisted spiral steel shav

aluminum background bit bore chip closeup cnc cutting depth discarded drill drilling engineering environment fabrication filings garbage gray heap heavy industrial industry junk lathe machine machining macro manufacture material materials messy metal mill milling parts pile production recycling rrem rubbish scrap sharp shav shave shiny silver spiral stainless steel storage technical texture trash turnings twisted waste white work