TA Engineering (General). Civil engineering (General) TC Hydraulic engineering. Ocean engineering TA1-2040 Engineering (General). Civil engineering (General) TC1-978 Hydraulic engineering TC1501-1800 Ocean engineering TJ1-1570 Mechanical engineering and machinery TA401.A327 Materials science TD Environmental technology. Sanitary engineering 625.734 627.54 Computer Engineering DEM Drainase Drainase Jalan (dan Jalan Raya) Flood Simulation HEC-GeoRAS HEC-RAS LIDAR Q Science (General) QA76 Computer software QC120-168.85 Descriptive and experimental mechanics Saluran air Storm Water Management Model (SWMM) : Drainase T Technology (General) T1-995 Technology (General) TA144 General works. Civil engineering TA145 General works. Civil engineering TA174 Engineering design TA197-198 Engineering meteorology TA329-348 Engineering mathematics. Engineering analysis TA501-625 Surveying TC540-558 Dams. Barrages TC801-978 Irrigation engineering. Reclamation of wasteland. Drainage TE Highway engineering. Roads and pavements TG1-470 Bridge engineering TH Building construction TJ Mechanical engineering and machinery TK Electrical engineering. Electronics Nuclear engineering TK1-9971 Electrical engineering. Electronics. Nuclear engineering TL Motor vehicles. Aeronautics. Astronautics TL1-4050 Motor vehicles. Aeronautics. Astronautics TN Mining engineering. Metallurgy TN1-997 Mining engineering. Metallurgy TP Chemical technology TP1-1185 Chemical technology civil etc. 1850- etc. Early to 1850