Posted by Deutz Lover on February 27, 2020 at 10:06:41 from (66.172.80.74):
In Reply to: Dust mask posted by 37 chief on February 27, 2020 at 09:03:24:
Horrible Freight has several types including Niosh N95.
These filter out 95 percent of particles over 0.3 microns. The coronavirus particle is 0.1 to 0.2 microns so it may filter out some, but not all virus particles. According to recent information the virus is spread mostly by contact. The masks keeps people from touching their mouth and nose. Workers wearing N95 repirators at Wouhan hospital did not get coronavirus. At least ten of the workers at the hospital not wearing repirators came down with coronavirus yet those wearing repirators came into patient contact 7.5 times more often. If this information is correct then masks do help.
A red blood cell is about 3 microns by 7 microns. Most bacteria are over 0.3 microns.
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Today's Featured Article - It's Alright Where It Is! - by Anthony West. I have a tale of a different kind to tell. Whilst rooting in the hedge bottoms this week I had cause to visit Chapel lane Farm, the home of an eccentric gentleman by the name of Austin Kendall. I had heard rumours that an old Case Model C was languishing away in the back of one of the outbuildings there. So off I went in search of what would turn out to be a very rare and unusual tractor. Mr Kendall is an excitable chap to say the least. He is amongst the last of a dying breed of farmer who
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