ID 234412035 © Agnormark | 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.:
drilling industry gold rock drill machine underground dark tunnel mine miner work engineering equipment cave construction geology mineral stone vehicle industrial deep ore mining dig operation production tunneling tool digging explore extraction resource boring driller export modern path processing technology one soil boom holes jumbo