I'm just an armchair critic, like most folks on this issue. However I don't see how it wouldn't be possible to retain the airflow - use large extractor fans wi

I'm just an armchair critic, like most folks on this issue. However I don't see how it wouldn't be possible to retain the airflow - use large extractor fans with filtering equipment. Create a slightly negative-pressure environment in the warehouse to ensure the majority of the airflow goes through Sure, they're massive warehouses, and it'd need correspondingly a large number of high capacity fans and the associated filtering gear - but I don't see this requiring massive innovations. The article even says that Brandy distillers in California use similar equipment.