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