ATLANTA, Georgia, June 15 -- Mark Architectural Lighting, a part of Acuity Brands, issued the following news: * * * Mark Architectural Lighting Expands SLOT Family with Recessed and Perimeter Luminaires MARK Architectural Lighting, an established leader in architectural lighting solutions, announced today the addition of SLOT 2, 4, and 6 Recessed and Perimeter, expanding the SLOT offering across ceiling and perimeter applications and completing the SLOT family as a comprehensive, unified syst  more