Communication equipment
Quality control
Weight (mass)
Ratios
Aluminium
Statistical quality control
Form tolerances
Quality assurance systems
Assessed quality
Ratings
Electronic equipment and components
Qualification approval
Length
Linear density
Inspection
Rigid pipes
Aluminium alloys
Dimensions
Rated frequencies
Silver alloys
Copper alloys
Roughness (surface)
Attenuation
Waveguides
Rectangular shape
Rated power
Approval testing