The two companies disagreed about who was in charge of interpreting a negative pressure test that could have warned workers of the problems.
In other words the iron lung is sealed and attached to bellows, which lower the air pressure inside the iron lung to create a negative pressure.
Bartlit emphasized in his letter Thursday that cementing failures are a known hazard in the oil industry, with specific tests such as a "negative pressure test" and "cement evaluation logs" designed to identify cementing problems.
One example is a device for Negative Pressure Wound Therapy, which was added by CMS to the competitive bidding list as a new category.
FORBES: Washington Is Tightening Its Grip On Medical Decision-making
He is restricted to a special "negative pressure" room that traps and cleanses air particles, and medical staff will wear masks when in contact with him.
One company, KCI based in San Antonio, Texas, handles more than half a million support calls a year for their Negative Pressure Wound therapy system.
FORBES: Washington Is Tightening Its Grip On Medical Decision-making
The campaign sparked a huge discussion about negative pressure from the fashion industry and the media, which were blamed for promoting unhealthy images of impossibly beautiful but anorexic women.
In one corner, the powerful negative forces of debt deleveraging will continue to pressure the economy, employment, and income growth in a potentially negative way.
We recently saw research that suggested negative radiation pressure in light could lead to a practical tractor beam.
ENGADGET: Researchers build a working tractor beam, on a very small scale
It was a nasty looking place, but the building is under negative air pressure to prevent the stink from escaping.
And though it has been long established that teenagers who have good communication with their parents are more likely to resist negative peer pressure, new research shows that it is a boy's mother who is the most influential when it comes to risky behavior, not only with alcohol and drugs but also in preventing both early and unprotected sex.
But no, in the interest of full transparency, we had Bernanke warning about how the Fed expected still more negative pressure ahead from the housing collapse, worsening labor markets, a credit crunch that may have still more shoes to drop, and revealing that the Fed was also beginning to worry about the potential for rising inflation.
Growing negative sentiment will tend to pressure stocks, so bulls need to see a roll-over in this ratio before concluding a bottom is in place.
Obama has stepped up efforts to tell the public about the cuts' negative impact and pressure Republicans who oppose his approach of reducing deficits through a combination of targeted savings and tax increases.
It seems the real theme today though is the negative UK data combining with long positions finding a great area to take some profit and this has put pressure on the pound.
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