MINING

In this video you can see the process of an open-pit mine:

https://www.youtube.com/watch?v=FcTEcK_ZIws

https://www.youtube.com/watch?v=zPx2-QcAQbc

In this video you can see the process of an underground mine:

https://www.youtube.com/watch?v=R1PUgQSQ5LY

Oil drilling:

https://www.youtube.com/watch?v=vjcfxqMt5Ds