Answer:
John: should have poured baking soda on the frying pan, this was the wrong thing to do because it makes smoke when you pour water on it and it makes a loud sizzle. Plus, it could expand the fire.
The frayed cord: go to the breaker box and turn it off you shouldn't pull it out of the wall immediately because you can shock yourself which is fatal, you can prevent this by not surrounding the mixer by other objects and try not to spill anything on the outlet that it is connected too.
Knifes: You should hold the knife by its handle (for obvious reasons), knifes should be kept in a knife box so if you go to grab it you can take by the handle.
Explanation:
This is all I know, I hope this helps. Maybe someone else can answer the part I couldn't.
