Subjects list

{"QUAD-20X20-1":"canvas","KLAS-30X20-1":"canvas","QUAD-40X40-1":"canvas","KLAS-60X40-1":"canvas","QUAD-60X60-1":"canvas","KLAS-75X50-1":"canvas","QUAD-80X80-1":"canvas","KLAS-90X60-1":"canvas","ALU-QUAD-20X20-1":"metal","ALU-KLAS-30X20-1":"metal","ALU-QUAD-30X30-1":"metal","ALU-QUAD-40X40-1":"metal","ALU-KLAS-60X40-1":"metal","ALU-QUAD-60X60-1":"metal","ALU-QUAD-80x80-1":"metal","ALU-KLAS-90x60-1":"metal"}