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Use "whipstock" in a sentence
"After missing on the first three attempts over 11 days, the drilling team determined they were less than a half meter from their target when a "whipstock," a wedge intended to divert the drill at a sharp angle, became stuck, forcing them to back up 100 meters to try again, before hitting the well."
"The statement said the latest effort to stop the leak had been delayed because "whipstock" equipment, used to direct the drill, had failed."
"To have practised more the whipstock than the lance."