That roommate was a separate person. As described in another comment, he tried to set a timer that would not cook anything, only start beeping in thirty minutes. Instead, he set the microwave to run - which is to say, cook - for thirty minutes, which melted the non food item inside the microwave.
Neither.
That roommate was a separate person. As described in another comment, he tried to set a timer that would not cook anything, only start beeping in thirty minutes. Instead, he set the microwave to run - which is to say, cook - for thirty minutes, which melted the non food item inside the microwave.
I apologize for the ambiguity of my phrasing.