TK - Electrical and Nuclear Engineering 94
T - General Technology 34
TA - General and Civil Engineering 30
TS - Manufactures 21
TH - Building Construction 18
TD - Environmental Technology 16
TP - Chemical Technology 16
TX - Home Economics 16
TJ - Mechanical Engineering and Machinery 14
TT - Arts and Crafts 10
TR - Photography 9
TL - Motor Vehicles and Aeronautics 7
TC - Hydraulic and Ocean Engineering 3
TN - Mining Engineering and Metallurgy 3
TE - Highway Engineering 1
TG - Bridge Engineering 1