ID 249020497 © Stanis88 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
mineral mine machinery industry industrial production ore stone technology tunnel machine quarry rock underground extraction exploitation engineering digging black coal subterranean power energy excavator tunneling boring quarrying drilling dangerous motion digger iron tool conveyor material equipment extracting wealth burning dark space resources mechanical mechanism exploration miners elevator descent down