T - General Technology 2,945
TN - Mining Engineering and Metallurgy 1,897
TA - General and Civil Engineering 1,889
TP - Chemical Technology 1,846
TS - Manufactures 1,404
TK - Electrical and Nuclear Engineering 1,323
TJ - Mechanical Engineering and Machinery 872
TL - Motor Vehicles and Aeronautics 819
TX - Home Economics 769
TD - Environmental Technology 642
TC - Hydraulic and Ocean Engineering 512
TH - Building Construction 485
TR - Photography 336
TF - Railroad Engineering and Operation 326
TT - Arts and Crafts 222
TE - Highway Engineering 125
TG - Bridge Engineering 74