15. Which materials do we use to protect ourselves from hear (i. e for handles, spoons, etc.)? 16. Which materials do we use to eat and drink out of (i. e, cups, plates, dishes), keeping food warn but not impossible for us to touch?

Please do not copy any answers, I need appropriate responses. If the answer is not reasonable then it will be reported. So no posting random things in this question, thanks. And please help me on this, I always get late responses and this is due today :(