bore hole

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wormhole, bore hole

A hole or tunnel of any size in wood caused by worms.
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Researchers start by working out how an engine block is likely to become distorted: they determine the level of static distortion by unscrewing the cylinder head and measuring the extent to which the bore hole has been warped.
MAKING SAVINGS Mike Ashley DRIVE Moves at St James' saved thousands WATER SOLUTION United's training ground where a bore hole has been installed
The instrument is the only one in the world which can measure bore holes from 400 mm to 1150 mm in size with unrivalled accuracy.
There was a big celebration when the bore hole was handed to the school.
The bore hole is on land owned by the Birmingham and Solihull Mental Health Trust at Erdington and Aqua Resources is seeking to gain common carriage for its water by extracting it from the bore hole and piping it into a nearby reservoir owned by Severn Trent.
A second purpose for the sight/relief holes is to provide an escape route for the boring fluid and spoilage that is pushed ahead of the incoming pipe, thereby relieving the pressure that is created as the new pipe is pulled or pushed through the bore hole during the back-ream.
At Deep Dyffryn, for example, an exploratory bore hole would be sunk to indicate the levels of gas available and how they compare with those found in the main pit shaft.
A bore hole camera inspection system, recently delivered to the Ivory Coast, is helping to ensure that extraction holes for fresh water supply is free of cavities, cracks, and deposits such as calcification.
Even greater protection is gained when a concrete slurry is poured between the casing and bore hole.
interval and coHectmg undisturbed ft disturbed samples at change of each strata and recording ground water table in each bore hole if meet samplesJGrain Size AnaiysK.
A Hypro diaphragm pump is used for pumping the bentonite mixture into the bore hole.