rang - refe
- reduction gear unit
- reduction gearbox
- reduction gearing unit
- reduction methods
- reduction of materials
- reduction of system of forces
- reduction rate
- reduction ratio
- reduction rules
- reduction sleeve
- reduction smelting
- reduction smelting crucible
- reduction speed ratio
- reduction unit
- redundance multiplicity
- redundancy
- redundancy of information
- redundant channel
- redundant check
- redundant information
