TK - Electrical and Nuclear Engineering 85
T - General Technology 33
TA - General and Civil Engineering 29
TS - Manufactures 21
TH - Building Construction 18
TP - Chemical Technology 16
TX - Home Economics 16
TD - Environmental Technology 15
TJ - Mechanical Engineering and Machinery 12
TT - Arts and Crafts 10
TR - Photography 7
TL - Motor Vehicles and Aeronautics 6
TC - Hydraulic and Ocean Engineering 3
TN - Mining Engineering and Metallurgy 2
TE - Highway Engineering 1
TG - Bridge Engineering 1