TJ Mechanical engineering and machinery 71 TA Engineering (General). Civil engineering (General) 43 VM Naval architecture. Shipbuilding. Marine engineering 36 Environmental science, engineering & technology 12 Marine biology 8 Biology, life sciences 5 Applied ecology 4 Climate change 4 Decision making 4 HE Transportation and Communications 4 Oceanography (seas) 4 TC Hydraulic engineering. Ocean engineering 4 TK Electrical engineering. Electronics Nuclear engineering 4 Autonomous vehicles 3 Biodiversity 3 Earth sciences, geography, environment, planning 3 Ecosystems 3 HD28 Management. Industrial Management 3 Malaysia 3 T Technology (General) 3 TD Environmental technology. Sanitary engineering 3 Uncertainty 3 data assimilation 3 numerical simulation 3 remote sensing 3 sustainability 3 AIS 2 Antarctica 2 Autonomous underwater vehicles 2 Blood vessels 2