Answer:
occasionally stop the microwave and stir the food
Explanation:
Is she stirs it, heat will be transferred quicker. If she buys a stove, it won't be inexpensive.
shellac is commonly used in nail salons, it's a different kind of coating that lasts longer than than regularly used nail polish. but to answer your question, my guess would be printmaking because they do use shellac and i know for a fact that they use glue. hope i helped :)