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under high pressure under low pressure heated to reduce viscosity cooled to increase viscosity
The equipment divers use. The effects of pressure on gases in the human body. How to prepare for a deep dive. The symptoms of nitrogen bubbles in the bloodstream.
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injecting fuel oil into a cylinder removing exhaust gases from the cylinder forcing air into the cylinders under pressure after the exhaust valve has dosed a combination of all the above
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It forms bubbles. It goes directly to the brain. It is reabsorbed by the lungs. It has a narcotic effect.
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Pressurized helium. Nitrogen diffusion. Nitrogen bubbles. An air embolism.