class: building_windows_float_processed, building_windows_non_float_processed, vehicle_windows_float_processed, vehicle_windows_non_float_processed, containers, tableware, headlamps
Refractive Index:		continuous
Sodium:				continuous
Magnesium:			continuous
Aluminum:			continuous
Silicon:			continuous
Potassium:			continuous
Calcium:			continuous
Barium:				continuous
Iron:				continuous