Sand.
the diamonds are the strongest natural material on earth. these drills can drill through anything
erosion
Crumbly, bits of earth.
Clastic sedimentary rock is sedimentary rock that is formed from rock particles.
Soil is made up to a greater or lesser extent of rock fragments (along with organic material)..
The pyroclastic material and bits of rock can get into your lungs and cut up your lungs.
the diamonds are the strongest natural material on earth. these drills can drill through anything
Ash
Tephra
Tephra
the diamonds are the strongest natural material on earth. these drills can drill through anything
The earth is round, due to gravity, so there are no flat bits at the top and bottom.
Conservation of angular momentum. The rotational velocities of the material coalescing to form the nascent earth 4.6 billion years ago would have been preserved, adding their own little bits to the final result.
erosion
Smoothening sharp bits of material of a workpiece.
tephra, or debris from the eruption of a volcano:)
The only tool that uses drill bits is a drill. There are, however, many different types of drill bits. The drill bits vary by material, size, shape, and function.