I am no expert, but if it still works ok, then it is fine. The rust will not affect the food, but if you want to be extra careful cover the food in a way that will not have an effect on the heating/cooking
Unless the child manages to get inside the microwave and turn it on, it is safe for children. And, yes, the microwave door needs be shut for the microwave to operate.
Yes, as long as you use a microwave-safe dish or container. Also, be careful as the sauce may splatter on the inside of the microwave.
Good quality crazy glue.
All of Sterlite food storage items are microwave safe. They are designed to reheat food in the microwave. Use caution when reheating food high in sugar or fat as they can cause damage to microwave safe containers. See microwave manufacturer's instructions for information regarding the use of microwave safe containers in your microwave."
In general, fine bone china is microwave safe. Where the items have gold or platinum band detail on them, these are not suitable for the microwave.
You do NOT paint inside a microwave !
Not for the microwave.
Yes, silicone is microwave safe. It is also safe to put in the dishwasher, and even in the oven.
No.
No, just because it's microwave safe does not mean it's oven safe. The thermal mechanisms involved in microwave radiation and convective heat are completely different. Many plastics are microwave safe, but you should never put plastic in the oven.
bounty microwave able
Wiltshire muffin trays are not microwave safe. The muffin trays are easy to clean, do not stain, and are dishwasher safe.