5 minutes every half hour) to keep warm, but make sure the tailpipe is clear of snow and that you leave a window open a bit to prevent carbon monoxide poisoning.
escape the building as fast as you can, then call 911 from an outside phone.
if a stove fire starts, slide a lid over it and turn off the burner. never pour water on grease fires; this will make the fire spread.
if you try to use a fire extinguisher on a small fire and the fire does not go out right away, drop the extinguisher, get out of the building and call 911.
be careful when opening doors; feel a closed door, 