wet drill

wet drill

[′wet ¦dril]
(mechanical engineering)
A percussive drill with a water feed either through the machine or by means of a water swivel, to suppress the dust produced when drilling.
References in periodicals archive ?
Taken over just one working day, FOET covers such essentials as helicopter escape, emergency breathing, a practical firefighting session, self rescue exercises, and sea survival-pool wet drill.
Teams took part in events including the steamer wet drill, hydrant drill, manual drill, manual wet drill and hose cart drill.
Birmingham Metropolitan |College students perform a wet drill in the station pool
They took part in a twoday work experience programme - getting to grips with high-ropes as well as wet drills in the station pool and see-saw and defender activities.
Apart from doing plenty of swimming and floating around for three hours, the wet drill gets crews to practice deploying and using the liferaft safely, strategies to keep together and stay warm in the absence of a liferaft and perhaps above all, dearly impresses on you how much you do not want to go overboard.
He passed a survival rescue assistant instructors course and now works as a junior non-commissioned officer in charge of the Wet Drill Bay, training air crew survival techniques in water.
Students also learn practical cabin training including fire-fighting, emergency evacuation, a wet drill and aviation theory.
Diamond drilling in 1996 indicated that earlier reverse circulation ("RC") drilling had substantially under valued the project, probably due to a loss of gold in the sampling of wet drill cuttings.