TA - General and Civil Engineering 387
TK - Electrical and Nuclear Engineering 301
T - General Technology 271
TP - Chemical Technology 215
TX - Home Economics 192
TD - Environmental Technology 140
TJ - Mechanical Engineering and Machinery 125
TS - Manufactures 79
TH - Building Construction 72
TN - Mining Engineering and Metallurgy 64
TL - Motor Vehicles and Aeronautics 60
TR - Photography 33
TC - Hydraulic and Ocean Engineering 24
TE - Highway Engineering 8
TT - Arts and Crafts 6
TG - Bridge Engineering 3
TF - Railroad Engineering and Operation 2