tunneling machine

Chinese scientists have developed the world's first tunneling and rock blasting machine (BBM), which can increase efficiency by more than 30% when drilling super-hard rock.

The new machine will bear the name

Technology billionaire Elon Musk, the founder of SpaceX, plans to test the dugout project with the machine.

American billionaire Elon Musk plans to dig a tunnel underneath the city of Los Angeles with a giant drill to reduce traffic congestion.