Related by context. Frequent words. (Click for all words.) 60 flammable substances 55 flammable 54 flammable substance 54 highly inflammable 53 highly flammable 53 flammable liquids 52 nonflammable 51 ignitable 51 spontaneously combusted 50 flammable vapors 50 ignited 50 flammable gases 49 thinners 49 Flammable 49 roofing tar 48 flammables 48 welding rods 47 flammable materials 47 paint thinners 47 gasoline vapors 47 inflammable 47 Propane tanks 46 welding torch 46 acetylene 46 dripped onto 46 flammable liquid 46 electrical arcing 45 welding 45 aerosol 45 flammable chemicals 45 plastic pellets 45 inhaling toxic 45 acetylene torch 45 corrosives 45 inhaling fumes 45 molten metal 45 propane cylinders 45 sprayed foam 44 nitrocellulose 44 Firefighters doused 44 aerosol cans 44 chemical vapors 44 hydrogen chloride 44 explosion 44 propane cylinder 44 propane torch 44 cleaning solvents 43 colorless liquid 43 vinyl acetate 43 flammable vapor 43 smoldering cigarette 43 hazmat crews 43 propane tanker 43 igniting 43 cannisters 43 methylene chloride 43 hydrogen fluoride 43 igniters 43 propane tanks 43 prompts evacuation 43 highly flammable liquid 43 corrosive liquid 42 Lame Horse nightclub 42 chemical 42 inhaling smoke 42 photocatalytic 42 toxic fumes 42 chemical solvents 42 fumes 42 thermite 42 vapors 42 petroleum distillates 42 potassium hydroxide 42 propane canisters 42 combusting 42 aerosol spray 41 combustible 41 noxious chemicals 41 welder torch 41 pipe ruptured 41 vapor cloud 41 transformer exploded 41 sprayed 41 poured flammable liquid 41 soundproofing foam 41 Hydrochloric acid 41 firefighters extinguished 41 paint thinner 41 potassium chlorate 41 fireball 41 igniter 41 chimney flue 41 ignite 41 lit cigarette 41 solvents 41 degreasing 41 HMTD 40 pyrotechnic 40 spontaneous combustion 40 pyrotechnic devices 40 Hydrogen peroxide