It could drill a hole in the slate in under two minutes, much less than the day required using hand drills.
12.
This led to the hand drill, a smooth stick, that was sometimes attached to flint point, and was rubbed between the palms.
13.
The U-shaped part is a kind of crankshaft . It gives the brace much greater torque than other kinds of hand drills.
14.
The advantage of the hand drill technique is that it requires no rope, which can be time consuming to produce and wears down rapidly.
15.
The quarry began operation in the 19th century and much of the labor was that of Irish immigrants using hand drills, hammers and chisels.
16.
The rough sections of the tunnel were created the old-fashioned way _ by sandhogs, as the workers called themselves, wielding dynamite and hand drills.
17.
Gillette covered rock work and quarrying methods from ancient hand drills through steam's dominance in mining to just before the advent of gas-powered drills ."
18.
This can be demonstrated by putting one end of a pair of wires in a hand drill and turning while maintaining moderate tension on the line.
19.
I suspect you have a hand drill; the trick is not in the drilling, but more in the securing the scissors well enough to drill without incident.
20.
Rusting tools remain embedded in the rock where, at the deepest point, POWs cut 80 meters ( 260 feet ) straight down using hand drills and sledgehammers.
How to say hand drill in Hindi and what is the meaning of hand drill in Hindi? hand drill Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
