The new tunnel boring machine is equipped with new technologies that enable adaptability to small curves, reversing, and passing intersections in hard rock tunnel excavation.
An outstanding new electrolyte gives Li-ion and lithium-sulphur batteries the ability to perform well at freezing cold and scorching hot temperatures while still packing a lot of energy.
After a brutal second quarter, investors in the world’s 50 biggest mining companies are in full retreat as metal prices slump and uncertainty grips the sector.