abstract blaze bonfire burn closeup danger element energy explode fiery fire fireplace flame flammable fuel heat hell horror hot ignite ignition inferno light man orange raging shadow warm wildfire yellow auto automobile car drive engine key keyring keys lock remote start unlock vehicle arson box cigarette match matches Matchstick red sticks sulphur wood wooden blur exposure graphic horizontal monotone motion nigh smear sweep swish swoosh amber barbecue coal combust explosion fluid grill lighter toast advice alert appropriate-behavior appropriate-behaviour avoid be-careful black care careful caution communicating communication concern dangerous gas gaseous natural-gas no-ignition outlet potential risk risks risky safety sign signs stay-clear vapour vapours warned warning warning-sign white authorisation authorised authorization below-ground digging digging-dangers pipeline pipes