Fluid mechanics Heat 3 Transmission Fluid dynamics 2 Heat exchangers 2 Refrigeration and refrigerating machinery 2 Thermal conductivity 2 espandi ... Actuators 1 Air conditioning 1 Air-compressors 1 Automatic control 1 Bearings (Machinery) 1 Belts and belting 1 Brakes 1 Clutches (Machinery) 1 Combined cycle power plants 1 Combustion 1 Condensers (Steam) 1 Conduction 1 Cooling 1 Design and construction 1 Drainage 1 Energy conservation 1 Environmental engineering 1 Equipment and supplies 1 Feed-water heaters 1 Fluidization 1 Flywheels 1 Fuel cells 1 Gas-turbines 1 riduci ...