01.040.01 Generalities. Terminology. Standardization. Documentation (Vocabularies)
01.040.97 Domestic and commercial equipment. Entertainment. Sports (Vocabularies)
01.100.40 Drawing equipment
01.140.10 Writing and transliteration
13.220.50 Fire-resistance of building materials and elements
17.040.30 Measuring instruments
19.100 Non-destructive testing
19.120 Particle size analysis. Sieving
21.220.10 Belt drives and their components
97.180 Miscellaneous domestic and commercial equipment