13 things you should not put in microwave oven

1. aluminum foil
2. stainless steel travel mugs
3. chinese take-out boxes
4. styrofoam containers
5. plastic storage containers
6. raisins
7. grapes
8. plastic bags
9. brown grocery bags
10. egg (in the shell)
11. dried hot peppers
12. sauce (without a cover)
13. nothing!