TK - Electrical and Nuclear Engineering 91
TA - General and Civil Engineering 81
T - General Technology 48
TX - Home Economics 30
TD - Environmental Technology 26
TJ - Mechanical Engineering and Machinery 22
TR - Photography 16
TS - Manufactures 14
TP - Chemical Technology 13
TH - Building Construction 8
TT - Arts and Crafts 6
TL - Motor Vehicles and Aeronautics 5
TC - Hydraulic and Ocean Engineering 4
TE - Highway Engineering 2