<https://www.factorysupply.com/product-category/rolling-ladders-platforms/industrial-stairs/#webpage>
<http://schema.org/description>
"Providing safe and convenient access to reach areas such as mezzanines and elevated platforms in a variety of industrial settings, Factory Supply’s Industrial Stairs are OSHA compliant."
<https://factorysupply.com/product-category/rolling-ladders-platforms/industrial-stairs/>