
1) Boring 2) Boring activity 3) Carpentry chore 4) Creating by removal 5) Oil-rig action 6) Spindletop activity 7) The act of drilling
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https://www.crosswordclues.com/clue/drilling

- train in the military, e.g., in the use of weapons
- learn by repetition
- teach by repetition
- undergo military training or do military exercises
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Drilling is a cutting process that uses a drill bit to cut or enlarge a hole of circular cross-section in solid materials. The drill bit is a rotary cutting tool, often multipoint. The bit is pressed against the workpiece and rotated at rates from hundreds to thousands of revolutions per minute. This forces the cutting edge against the workpiece, ...
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http://en.wikipedia.org/wiki/Drilling

a firearm with three barrels (from the German word drei for three). Typically it has two barrels side by side on the top, with a third rifle barrel underneath. This provides a very versatile firearm capable of taking winged animals as well as big game. It also is useful in jurisdictions where a person is only allowed to own a single firearm.
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http://en.wikipedia.org/wiki/Glossary_of_firearms_terms

• (p. pr. & vb. n.) of Drill • (n.) A heavy, twilled fabric of linen or cotton. • (n.) The act of piercing with a drill. • (n.) The act of using a drill in sowing seeds. • (n.) A training by repeated exercises.
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http://thinkexist.com/dictionary/meaning/drilling/

(from the article `mining`) ...made should be described. There are five separate operations involved in extending the length of the drift by one round, or unit volume of rock. ... ...fires` of the fire-worshiping religion of the ancient Persians. The use of natural gas was mentioned in China about 900 . It was in China in 211 ... ...
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http://www.britannica.com/eb/a-z/d/75

The use of such a machine to create holes for exploration or for loading with explosives.
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http://www.coaleducation.org/glossary.htm

Making the holes in paper for use in a ring binder. Drills can neatly perforate a much greater thickness of paper than can the kind of hole punch you have in the office.
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http://www.encyclo.co.uk/visitor-contributions.php

The means of producing holes for charging with explosives to blast rock from the quarry face.
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Drilling of holes in product which will allow insertion over rings or posts in a binder of some sort.
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http://www.encyclo.co.uk/visitor-contributions.php
Drill'ing noun 1. The act of piercing with a drill.
2. A training by repeated exercises.
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http://www.encyclo.co.uk/webster/D/123

A three-barrel shoulder-fired gun, typically with two identical side-by-side shotgun barrels mounted above one rifle barrel. Built primarily in Germany and Austria. If with two rifled barrels above a single rifled barrel, it is called a Bock Drilling. Photo
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http://www.hallowellco.com/abbrevia.htm

In agriculture. Drilling is the plan of sowing seeds in parallel rows as distinguished from sowing them broadcast. The drilling method of sowing was introduced into England by Jethro Tull, who published a work on the subject in 1731. The crops which are now generally drilled are turnips, potatoes, beans, pease, carrots, clover, cereals, flax, etc. ...
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http://www.probertencyclopaedia.com/browse/AD.HTM

Drilling is Black-American slang for walking.
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http://www.probertencyclopaedia.com/browse/ZD.HTM

The use of such a machine to create holes for exploration or for loading with explosives.
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http://www.rocksandminerals.com/glossary.htm

[
n] - the act of drilling
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http://www.webdictionary.co.uk/definition.php?query=drilling

Common woodworking and metal machinery process that involves boring holes with a drill bit. The commonest kind of drill bit is the fluted drill, which has spiral grooves around it to allow the cut material to escape. In the oil industry, rotary drilling is used to bore oil wells. The drill bit usually consists of a number of toothed cutting wheels,...
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https://www.encyclo.co.uk/local/21221

A type of direct seeding. Seeds are planted in straight lines at the proper depth, but two to three times closer than the plants ultimately will be spaced. When the seeds come up, the extras are thinned, leaving behind seedlings at the proper spacing. This technique is good if you don
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https://www.encyclo.co.uk/local/22488

Piercing a hole in rock. In exploration, drilling allows for samples of the rock to be taken. In mining, it is used to insert explosives for blasting.
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https://www.encyclo.co.uk/local/22733

the act of a person or thing that drills.
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https://www.infoplease.com/dictionary/drilling
No exact match found.