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The evaluation team noted that despite the electric drill's advantage in terms of sound and vibration rates, its dramatically lower penetration rate compared with the pneumatic drills made it unsuitable for their applications--and they subsequently learned that Hilti would no longer market the TE MD20 drill in North America, eliminating it from further consideration.
The evaluation team noted that despite the electric Hilti's advantage in terms of sound and vibration rates, its dramatically lower penetration rate compared with the pneumatic drills made it unsuitable for their applications.
He said the damage was similar to that suffered by people using a pneumatic drill.
In addition, the Drillteam rigs are not affected by low temperatures, which often caused the pneumatic drills to freeze up.
But her problems answering a question about pneumatic drills were nothing compared to the trouble she had keeping her enhanced pneumatic breasts in a very flimsy top.
It was like a couple of pneumatic drills or motorbikes being kick- started outside the window.
She had to be tranquilised and cushioned with air bags while the 20 man rescue squad used pneumatic drills to hack away the reinforced concrete manhole where she was trapped.
In July, the Company announced its purchase of the Rescue assets, which include the mine infrastructure, a 120-ton-per-day mill and a full complement of equipment such as power generators, air compressors, pneumatic drills, load-haul-dump (LHD) machines, a haulage fleet, and a maintenance and equipment shop.
Portable machines: pneumatic drills, pneumatic grinders, cylinders, pumps .
Sound produced by machinery, say electrical road traffic and trains (over in a few seconds), although irritating, is fairly easy to tolerate (apart from pneumatic drills which have loud staccato peaks).
THE BBC have been accused of "raping and pillaging" a stretch of coastline after using pneumatic drills and mechanical diggers to make a series about dinosaurs.
Local shops said they were plagued by the noise of pneumatic drills, while offices have been forced to keep the windows closed on hot days.