01.040.01 Generalities. Terminology. Standardization. Documentation (Vocabularies)
01.040.27 Energy and heat transfer engineering (Vocabularies)
01.040.97 Domestic and commercial equipment. Entertainment. Sports (Vocabularies)
01.100.40 Drawing equipment
01.140.10 Writing and transliteration
13.030.10 Solid wastes
13.220.50 Fire-resistance of building materials and elements
13.280 Radiation protection
17.040.30 Measuring instruments
17.160 Vibrations, shock and vibration measurements
17.240 Radiation measurements
19.100 Non-destructive testing
19.120 Particle size analysis. Sieving
21.220.10 Belt drives and their components
25.140.30 Hand-operated tools
27.120.20 Nuclear power plants. Safety
35.180 IT terminal and other peripheral equipment
37.080 Document imaging applications
43.040.60 Bodies and body components
49.020 Aircraft and space vehicles in general
71.040.10 Chemical laboratories. Laboratory equipment
71.100.20 Gases for industrial application
71.100.60 Essential oils
73.060 Metalliferous minerals and their concentrates
73.060.99 Other metalliferous minerals
73.080 Non-metalliferous minerals
77.140.75 Steel pipes and tubes for specific use
93.030 External sewage systems
97.180 Miscellaneous domestic and commercial equipment
97.220.20 Winter sports equipment