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I cut up meat for stews and soups using scissors. I've mixed many a batch of aromatic bath salts using a hand mixer. My oven has been used for lots of kid's crafts, whether it's baking clay pots, melting sun catchers or "setting" permanent marker drawings onto teacups. The microwave... oh, you don't even want to know.
Joking aside the microwave is an easy appliance to abuse. I'm pretty sure I've tried to microwave more than a few non food items in it before.