Another useful feature for dust removal is an ionizer
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Interception: Particles measuring between about 0.1 and 0.5 microns tend to flow around the filter fibers, but eventually they come close enough to touch one fiber on the way by, and again they stick
Louise Nordstrom in Stockholm, Matti Huuhtanen in Helsinki, and Shawn Pogatchnik in Dublin contributed to this report.
We're seeing the e-cig industry follow the tobacco industry's playbook." Without regulation by the FDA, the market for e-cigarettes is akin to the "wild West," says Sward
But more price and public-health signals on the cigarettes people buy at the corner store do seem rather beside the point, when contraband cigarettes now command a huge share of the market precisely because of those signals especially, I suspect, cost