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Showing results for Virginia Linsey
...Prices vary from about £150 to as much as £1,000, but Linsey Marr, a professor of environmental engineering at Virginia Tech university, says a lot of the add-ons for more expensive versions are “unnecessary...
...Linsey Marr, an engineering professor at Virginia Tech who specialises in how viruses spread through the air, compared them to smoke, which also gets diluted more quickly outside....
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