Related by context. Frequent words. (Click for all words.) 61 acetylene 54 combustible gases 53 Butane 53 Ammonia 52 Refrigerant 52 unvented 52 Combustion 51 Phenol 51 Pressurized 50 acetylene cylinders 50 SF6 50 Coolant 50 Fire Extinguisher 50 Flammable 50 highly inflammable 50 Acetone 50 halogenated 50 Pulsed 50 superheated steam 49 flammable gases 49 gaseous hydrogen 49 Activated Carbon 49 phosphine 49 Carbon Monoxide 49 Polystyrene 49 propane cylinders 49 gases 49 Anhydrous ammonia 49 Electrochemical 49 degreasing 49 Ethane 49 Lithium Ion Batteries 49 acetylene torch 49 propane butane 49 Encapsulation 49 butane 49 Capacitors 49 highly flammable liquid 49 incomplete combustion 49 ignitable 48 colorless liquid 48 Ethylene 48 Conductivity 48 Heat Exchanger 48 Combustible 48 Methanol 48 highly flammable 48 Glycol 48 Hydrogen sulfide 48 flammable vapors 48 oxidizers 48 Piezoelectric 48 Diesel Engines 48 Propane 48 Nitrogen 48 chlorine dioxide 48 Furnaces 48 combustion 48 flue gases 48 flammable 47 flammable chemicals 47 NH3 47 combustion gases 47 ethylene oxide 47 nickel alloys 47 oxy fuel 47 steam boiler 47 cannisters 47 Gases 47 Lubrication 47 Toluene 47 Particulate 47 freon 47 Electrostatic 47 H#O# 47 Hydrogen Peroxide 47 Transducers 47 hydride 47 igniters 47 picric acid 47 flammable substances 47 Lubricant 47 Canisters 47 sorption 47 Detonators 47 inflammable 47 Caustic Soda 47 Compressors 47 Industrial Gases 47 Zeolite 46 Injector 46 Propane tanks 46 polycarbonate plastics 46 Water Purification 46 Olefin 46 Reverse Osmosis 46 Diesel Fuel 46 Chlorine 46 Antifreeze 46 propane cylinder 46 Cellulose