Boulby Mines' 50th Anniversary Documentary
16:01
Como o Resfriamento de Estado Sólido Pode Mudar Tudo
19:06
Surface Mining of Iron Ore with Komatsu's Largest Mining Machines | Full Documentary
6:53
Polysulphate - from polyhalite to fertilizer and mine to fields
42:26
Awesome Mine Perched On The Edge Of A Cliff
12:14
Europe's Deepest Mine is Not What You Think...
8:05
Why Germany Is Rapidly Digging Europe's Largest Hole
8:06
How We Mine Our Organic Fertiliser | Meet Our People: Mining
19:02