Specimen preparation
Test equipment
Control samples
Energy consumption
Cleaning
Electrical household appliances
Dimensions
Electrically-operated devices
Drying
Frequencies
Testing conditions
Water
Dishwashing machines
Inspection
Detergents
Distillation
Temperature
Mathematical calculations
Microwave ovens
Voltage
Washing-up equipment
Tableware
Tolerances (measurement)
Performance testing
Scoring procedures (tests)