T - General Technology 1,804
TK - Electrical and Nuclear Engineering 1,446
TA - General and Civil Engineering 1,131
TP - Chemical Technology 1,062
TX - Home Economics 795
TD - Environmental Technology 529
TS - Manufactures 439
TH - Building Construction 402
TJ - Mechanical Engineering and Machinery 390
TR - Photography 313
TN - Mining Engineering and Metallurgy 194
TL - Motor Vehicles and Aeronautics 186
TT - Arts and Crafts 184
TC - Hydraulic and Ocean Engineering 90
TE - Highway Engineering 23
TF - Railroad Engineering and Operation 20
TG - Bridge Engineering 19