DFW Home | Case Study PDF | Photography | Specification Sheets Specification Sheets Below are the Acrobat PDF files for the Dallas Fort Worth International Airport Terminal D case study. To download the file, right click on the link and click on Save As and save the file to your computer. MicroSlot Directional - 1-4 Lamp, MR16, PAR20, or PAR30 369-AR MicroSlot - 1 Lamp, T5 or High Output T5 370.1-AR MicroSlot - Asymmetric 1 Lamp, T5 or High Output T5 372.1-AR MicroSlot - 2 Lamp, T5 or High Output T5 374.1-AR