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Drilling a 2 or 3 foot hole can be done with normal equipment, while drilling a ten, fifty, or one hundred foot diameter vertical hole would require an entirely new invention.
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After the 2, 300-foot hole in Chile is secure, materials and equipment will be brought in so that the rescue capsule -- dubbed the Phoenix -- can be lowered into the mine.
CNN: Rescue drill reaches 33 trapped Chilean miners
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The use of sexually suggestive equipment, such as paper-clips or hole-punchers, was frowned upon.
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Because worn equipment made it harder to punch that particular hole cleanly through, Gore supporters argued, which provided more grounds to challenge the outcome.
CNN: Bush's Contested Lead
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Last summer someone in another West Virginia mine punched a hole in an embankment, apparently to keep black water from rising near a piece of equipment needed to continue digging.
FORBES: Magazine Article
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What began with hopes of rescue turned into a body recovery operation after monitoring equipment failed to detect any signs that Jeff Bush survived the fall into the hole, according the Hillsborough County Sheriff's Office.
CNN: A loud crash, then nothing: Sinkhole swallows Florida man