Wear tests
Roughness (surface)
Position
Optical measurement
Transmittance
Coatings
Magnetic recording
Error detection
Materials handling
Conformity
Peeling tests
Calibration
Numerical designations
Cupping tests
Interchangeability
Abrasion
Test equipment
Circuits
Friction tests
Data layout
Data recording
Adhesion tests
Endurance testing
Digital recording methods
Magnetic measurement
Cassettes (magnetic tapes)
Electrical testing
Electrical resistance
Adhesion
Error-correction codes
Form tolerances
Frequency modulation
Recording characteristics
Performance
Recording tracks
Magnetic tapes
Transportation
Rigidity
Moment of inertia
Data media
Data processing
Data blocks
Information exchange
Modulus of elasticity
Environment (working)
Drums (materials handling equipment)
Tensile strength
Dimensions