Breathable

Can anyone tell me the size of spore one is likely to encounter with potato blight? The reason I ask is that I am trying to ascertain if any of the breathable membranes or sheeting (such as high-density polyethylene I think) might have holes small enough to allow them to be used as protective cover ...

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... 200mhz to 3.3ghz. -Shields cell and cordless phones, security systems, baby monitors and wireless computer gear and more. -Maximum transparency, breathable material. -Available in all sizes. -Thread and weave pattern patented in Germany. This canopy is made out of Topas, a highly transparent ...

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... ice caps melt we can fly just over sealevel and maybe built some real skyscrappers. As for air... maybe we could have a machine that turns the air breathable. What a life!

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