Related by context. Frequent words. (Click for all words.) 62 heat exchanger 62 condenser 59 furnace 56 gasifier 56 recirculation 55 compressor 55 impeller 55 nozzle 55 convection oven 54 oven 54 boilers 53 firebox 53 heat exchangers 52 pyrolysis 51 steam turbine 51 blower 51 compressed air 51 furnaces 51 combustion 51 condensers 51 nozzles 51 exhaust manifold 50 dehumidifier 50 boiler 50 syngas 50 combustion chamber 50 kiln 50 duct 50 separator 50 aerator 49 extruder 49 stove 49 cooktop 49 fermentation 48 compressors 48 aeration 48 exhaust gases 48 filtration 48 refrigerant 48 digester 48 cfm 47 evaporative cooling 47 dryer 47 intercooler 47 biomass boiler 47 ovens 47 sprayer 47 radiant heating 47 recirculating 47 oxidation 47 cooker 47 ducting 47 biomass gasification 47 steam generator 46 ductwork 46 electric arc furnace 46 radiator 46 solenoid 46 fryer 46 preheat 46 vaporizer 46 woodstove 46 thermally 46 evaporative 46 injector 45 heaters 45 flue gas 45 anaerobic digester 45 faucet 45 centrifugal 45 wood stove 45 chlorine dioxide 45 gpm 45 coolant 45 particulate filter 45 vapor 45 reverse osmosis 45 oxidizer 45 turbine 44 hob 44 viscosity 44 water heater 44 hydraulic pump 44 sump 44 refrigeration 44 stovetop 44 H2S 44 preheated 44 scrubber 44 autoclave 44 radiant heat 43 digesters 43 heatsink 43 thermoforming 43 radiators 43 ambient temperature 43 vents 43 gasification 43 dryers 43 extractor 43 sintering