Related by context. Frequent words. (Click for all words.) 45 ventilation ducts 45 gallon propane tank 41 faulty wiring 41 Firefighters doused 40 malfunction 40 malfunctioning 40 sprayed foam 40 electrical wiring 40 propane tank 39 Upon arrival firefighters 39 mechanical malfunction 39 heater 39 fire 39 kerosene heater 39 blown transformer 38 carbon monoxide leak 38 electrical wires 38 engine compartment 38 electrical transformer 38 electrical 38 leak 38 faulty electrical wiring 38 propane leak 38 lightning strike 37 wiring 37 earthing 37 malfunctioned 37 shuttle thermal tiles 37 propane tank exploded 37 blown fuse 37 chlorine leak 37 unattended candle 37 radiator hose 36 propane heater 36 space shuttle Atlantis 36 Safety Bureau ATSB 36 transformer exploded 36 air conditioning duct 36 gasoline vapors 36 alarm blaze 36 False alarms 36 propane stove 36 heaters 35 hazmat crews 35 spillage 35 loose lug nut 35 Downed power 35 explosion 35 fumes 35 electrical arcing 35 sprinkler system 35 glitch 35 leaks 35 technical glitch 35 Mission Control 35 Schapelhouman 35 Beltsov 35 electrical malfunction 35 transformer 35 ammonia leak 35 poorly ventilated 35 exhaust vent 34 leaking 34 haz mat 34 Flight controllers 34 fire extinguisher 34 sprang leak 34 Qantas jetliner 34 bilge pump 34 boiler 34 leaky roofs 34 welding torch 34 propane tanks 34 blaze 34 freight train derailment 34 vapor cloud 33 smoldering cigarette 33 kerosene heaters 33 fire extinguishers 33 faulty 33 prompts evacuation 33 leaking roofs 33 Lyndin 33 gaseous hydrogen 33 inhaling fumes 33 spokeswoman Karina Romero 33 Emergency dispatchers 33 depressurized 33 smoke detector 33 power outage 33 carbon monoxide fumes 33 rendered inoperable 33 outage 33 lightning strikes 33 brush fires 33 smoke alarm 33 mechanical malfunctions 33 discarded cigarette 33 igniters 33 grassfire 32 backdraft