Avoid fried food: due to high temperature oil will splash lead to open flame. In case of accidental fire in the furnace, do not open the door, but turn off the power supply first, and then open the door to cool down after the fire is out.
How to scrub a greasy microwave? Use a glass or bowl to serve water, then add a little lemon juice or vinegar to the water, put the glass or bowl in the microwave, and cook over high heat until boiling. Turn off the switch and take it out, then wipe the walls of the oven cavity with a wet towel to absorb water, so that the oil and peculiar smell in the microwave oven can be easily removed, and the microwave oven can take on a new look!