rack - reca
- racking stress
- radial stress
- radiation (flaw) detection
- radiation aging
- radiation backscatter method
- radiation damage
- radiation defectoscopy
- radiation effect
- radiation failure
- radiation fatigue
- radiation hardness
- radiation hazard
- radiation inspection
- radiation reliability
- radiation resistance
- radiation test
- radiation [radiological] protection
- radiation(-induced) defect
- radioactive analysis
- radioactive impurity
- radioactive isotope test
- radioactive penetrant
- radiochemical analysis
- radioexamination
- radioexamination of materials
- radiograph
- radiographic (flaw) detection
- radiographic analysis
- radiographic control
- radiographic method
- radiographic quality
- radiographic slit detection
- radiographic [radioisotope, radium] inspection
- radiographic [radiological] examination
- radiography
- radiography equipment
- radioisotope camera
- radiological method
- radiological scanning
- radiomateriology
