There's carbide teeth on that that come down and they actually chisel and bite the stone, and then it spits it out the back on a conveyor belt. Most of our stone, he stacks on a pallet by hand.

Therefore, a lamp should be lit under the ground that does not destroy the air. The solution for this was carbide stone, which was called Karpeit stone in the speech of the local people. The stone was ...

The sound of hammers and chisels striking stone rings out on most Sundays in the cemetery of ancient Xochiaca, a village swallowed up decades ago by the urban sprawl of Mexico City. It’s the ...

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