Jack came to a shaft driven deep into the earth.
We don't have the equipment to drive shafts back into the rock.
Gears drive a shaft at the desired rate, and turn the cam.
We can always drive a horizontal shaft off gallery fifteen.
Most of his automobiles were chain-driven rather than shaft driven.
Even a wind rider's great bow would have a difficult time driving a shaft through it, and the wall itself offered them fair protection.
It drove a vertical shaft which was 0.45m square.
A week passed and another, and at last the sun drove shafts of light down through the clouds.
"It's a horizontal shaft driven into a mountain," said Harrison.
I fetched a tool and started to drive a shaft into the steep side of the hollow.