TP Chemical technology 6 T Technology (General) 5 TJ Mechanical engineering and machinery 4 TA Engineering (General). Civil engineering (General) 3 Clothing manufacture 2 Q Science (General) 2 T1-995 Technology(General) 2 TK Electrical engineering. Electronics Nuclear engineering 2 Art of dress. Theory. Aesthetics. Costume design 1 Business analysts 1 Ceramic technology. Pottery 1 Clay industries. Ceramics. Glass 1 Field crops 1 Furniture design 1 HD Industries. Land use. Labor 1 Industrial research. Research and development 1 Islamic ethics 1 Machine design and drawing 1 RA0421 Public health. Hygiene. Preventive Medicine 1 T58.5-58.64 Information technology 1 TP368-456 Food processing and manufacture 1 TS Manufactures 1 TT Handicrafts Arts and crafts 1 Technological change 1 Wood technology. Lumber 1 Work groups. Teams in the workplace 1