Their principal use is to give a sharp jar to the drill on the upstroke so that the bit is dislodged if it has become jammed in the rock.
Earthy matter and other matter precipitated and fallen on the copper double bottom may be dislodged by a slowly revolving scraper - say every twelve hours - and ejected through the bottom discharge cock; and thus the heating surface of the copper bottom will be kept in full efficiency.
He dislodged the British from Beaufort, South Carolina, in February 1779, and in April made it possible for the city of Charleston to put itself into a state of defence by delaying the advance of General Augustine Prevost.
The tough but flexible coarse grey paper (German Fliesspapier), upon which on the Continent specimens are commonly fixed by gummed strips of the same, is less hygroscopic than ordinary cartridge paper, but has the disadvantage of affording harbourage in the inequalities of its surface to a minute insect, Atropos pulsatoria, which commits great havoc in damp specimens, and which, even if noticed, cannot be dislodged without difficulty.
Massena's corps at once crossed to the left bank and dislodged the Austrian outposts.
He grabbed her leg and with a quick jerk, dislodged her from the tree - right into his waiting arms.
In spite of the inclement weather, there was a large crowd of bathers frolicking in the earth-warmed water of the million-gallon facility when Dean dislodged his passengers.
While helmets provide little protection in a serious fall, they're a must to shield you from junk dropped or dislodged from above you.
A cover of one of the vases was found dislodged and lying on the bottom of the stone coffer.
To Marra; but his men still held two positions in Antioch, from which they were not dislodged by Bohemund till January 1099.