So what happens when there's an unexpected demand spike? "Most mills are 24 hours, 7 days a week operations already. They are running on fixed capacity," said [

So what happens when there's an unexpected demand spike? "Most mills are 24 hours, 7 days a week operations already. They are running on fixed capacity," said [paper processing company CEO] Sellars. "It's not like there's an idle machine that can be cranked up to increase production."