TA - General and Civil Engineering 734
TP - Chemical Technology 513
TK - Electrical and Nuclear Engineering 443
TN - Mining Engineering and Metallurgy 410
TJ - Mechanical Engineering and Machinery 372
T - General Technology 299
TS - Manufactures 230
TX - Home Economics 195
TC - Hydraulic and Ocean Engineering 191
TL - Motor Vehicles and Aeronautics 164
TR - Photography 84
TD - Environmental Technology 79
TH - Building Construction 68
TF - Railroad Engineering and Operation 48
TG - Bridge Engineering 39
TT - Arts and Crafts 17
TE - Highway Engineering 12