Cementing fills and seals the annulus between the well casing and the drilled hole.
Curiosity drilled a hole in Mars to collect a sample of its surface, which is the first time any rover has drilled such a hole on the Red Planet.
Under anesthesia, an incision is made in the scalp, a hole is drilled in the skull, and the device is placed on the surface of the brain.
In 2002, a robot crawled to the stone in the end of the shaft and boldly drilled a hole in it, transmitting live images so the entire world could witness the moment of unveiling.
Over the weekend, Spirit drilled its first artificial hole in a rock - the football-sized Adirondack - and took readings from it using the science instruments on its robotic arm.
BBC: NEWS | Science/Nature | Rover sets Mars distance record
The hole that was drilled is a little under two-thirds of an inch in diameter, and is two and a half inches deep.
Earlier Wednesday, a fifth hole drilled down into the mine found just six inches of open space left between the roof and rubble in an 8-foot-high tunnel, said Jack Kuzar, a district manager with the federal Mine Safety and Health Administration.
The sample comes from a hole about 2.5 inches deep drilled on Feb. 8 in a flat plate of sedimentary bedrock that the space agency managers have named "John Klein" in memory of a Mars Science Laboratory deputy project manager who died in 2011.
An attempt to make contact with the trapped miners was unsuccessful Friday, when a microphone lowered into a narrow hole drilled into a mine cavity detected no sounds.
CNN: Camera lowered into mine cavity shows 'survivable space'
Under Plan B, a hole is being drilled at a roughly 80-degree angle into an area of the mine shaft that is used as a mechanical workshop.
Each well drilled, whether a hit or a miss, a discovery or a dry hole, adds to the geologic knowledge the company has with which to interpret its now vast array of seismic data.
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