Things can easily pass the visual inspection, but then we have to take them for lab testing. That's to check what goes through the mask, the permeability, both in terms of airflow and—
On April 22nd, 2020. See this statement in context.
On April 22nd, 2020. See this statement in context.
Vice-President, Health Security Infrastructure Branch, Public Health Agency of Canada
Things can easily pass the visual inspection, but then we have to take them for lab testing. That's to check what goes through the mask, the permeability, both in terms of airflow and—
See context to find out what was said next.