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Now it was time to buy an air drill.
Remember that you will get many years of use out of a good air drill.
However there are quite a few good-used air drills on the market.
I hope that in the future, when commodity prices improve, we will switch to an air drill.
One distinct advantage of the air drill is the on-row packing.
A classic example is having to make a full 60-foot pass with your air drill to finish off the last six-foot wide strip.
He had then decided one winter to buy a Concord air drill and start direct seeding his whole farm.
By the 1930's heavy derrick cranes and compressed air drills were in use.
After a few months of seeking out different banks, I finally talked one of them into lending me the money to buy my air drill.
Two teams of workers used compressed air drills and explosives to build the tunnel from both ends.
He also decided to construct a low-level adit, and work began on it, using the new air drills.
The air drills are being conducted in collaboration with the U.S. military, the report said.
I solved the problem by using a long drill bit and cutting it to size so that my air drill would just fit.
It is often necessary to cut teeth into root segments using this air drill to allow complete removal of the tooth.
Before the air drill, blasting holes were hand drilled, a slow and laborious process.
How do you mark (spot) air drill manifold plugs when they occur over a mile long field?
Also during the war there were air drills, and blackout drills twice a month.
Another critical development was the air drill, which enormously speeded up the drilling of holes to blast rock.
Passenger flights in China are often held up by frequent air drills or weapons tests held at short notice.
Okay, that's enough for an air drill.
As long as the tractor pulling their Concord air drill will ride up on top of this mat they can keep going.
An air drill exerts a significantly greater force per wheel than an air seeder.
Producers should, however, be aware that making a complete transition to direct seeding is not accomplished by simply purchasing an air drill.
Power for the work's 12 compressed air drills was supplied by a hydro-electric plant situated about six miles from the scene of operations.
In China, planes are routinely delayed when the military shuts down civilian airspace at short notice for air drills.