<https://facilityexecutive.com/2011/05/guidelines-for-selecting-led-lighting-systems/#webpage>
<http://schema.org/description>
"Experts say it is essential to conduct a thorough review of indoor LED luminaires using six general performance criteria prior to making a final purchase decision."
<https://facilityexecutive.com/2011/05/guidelines-for-selecting-led-lighting-systems/>