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post #11 of (permalink) Old 20th September 2010
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Re: Using old Engine Oil to protect Nuts / Drum Brake

Originally Posted by Pat.w View Post
In his time he swept the 150 foot chimneys by hand on a bosons chair, mixed asbestos lagging by hand in a dustbin, and cleaned the water and oil from mercury used in the temperature gauges by hand with a rag in a bucket....all of the above will apparently kill you at the drop of a hat

to add a Carcinogen warning to the box because it will contain particles below the acceptable size...again its all about the exposure levels
Yes and working in the engine room of navy ship for only a couple of years exposed to asbestos will get you in the end as it did poor Steve McQueen. A neighbour of mine died 30 years after stripping electrical cables from ex-military aircraft. The job only lasted 3 months.

When it comes to sand, etc it not the exposure levels that's the problem its all down to the size of the partucles. If they are large (bigger than 5 microns or so) they fall to the ground or get stuck in your windpipe or esophagus and you body will either spit or sh** them out. The very small particles will get sucked into you lungs and blown back out again. Its the size in between that tend to lodge and then get stuck in the muscus lining and then the bodies defense sytem kicks in - that's when cancer or other diseases start to occur. Belive it or not asbestos is chemically totally inert its the shape and structure of its particles that cause the problem.

A mates dad died at the age of 79 a few years back from what his doctors attributed to the long term affects of a series of strokes.
When he died the doctor refused to provide a death certificate. A subsequent post mortem revealed the real cause of death was silicosis - he had worked in a iron foundry and had been exposed to silica used in the moulding sand. Yeh it took 40 years before he succumbed to its affects but in many people death can occur much, much earlier - there's just no way of knowing.
Sadly medical experts are expecting the number of deaths related to such exposures to increase over the next 10 years or so.
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