Descriptors | Magnetic cards, Identity cards, Cards, Machine-readable materials, Flexible materials, Classification systems, Designations, Dimensions, Flatness (surface), Position, Marks, Printing, Life (durability), Magnetic stripes, Roughness (surface), Thickness, Edge, Adhesion, Wear, Magnetic properties of materials, Recording characteristics, Recording tracks, Coding (data conversion), Environment (working), Light-duty, Medium-duty, Heavy-duty |